Ruđer Bošković
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Roger Joseph Boscovich ( hr, Ruđer Josip Bošković; ; it, Ruggiero Giuseppe Boscovich; la, Rogerius (Iosephus) Boscovicius; sr, Руђер Јосип Бошковић; 18 May 1711 – 13 February 1787) was a
physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...
,
astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either ...
, mathematician, philosopher, diplomat, poet, theologian, Jesuit
priest A priest is a religious leader authorized to perform the sacred rituals of a religion, especially as a mediatory agent between humans and one or more deities. They also have the authority or power to administer religious rites; in partic ...
, and a
polymath A polymath ( el, πολυμαθής, , "having learned much"; la, homo universalis, "universal human") is an individual whose knowledge spans a substantial number of subjects, known to draw on complex bodies of knowledge to solve specific pro ...
from the
Republic of Ragusa hr, Sloboda se ne prodaje za sve zlato svijeta it, La libertà non si vende nemmeno per tutto l'oro del mondo"Liberty is not sold for all the gold in the world" , population_estimate = 90 000 in the XVI Century , currency = ...
.Biography: Roger Joseph Boscovich, S.J.
Fairchild University website.
He studied and lived in Italy and France where he also published many of his works. Boscovich produced a precursor of
atomic theory Atomic theory is the scientific theory that matter is composed of particles called atoms. Atomic theory traces its origins to an ancient philosophical tradition known as atomism. According to this idea, if one were to take a lump of matter ...
and made many contributions to
astronomy Astronomy () is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, g ...
, including the first geometric procedure for determining the equator of a rotating
planet A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula to create a you ...
from three observations of a surface feature and for computing the
orbit In celestial mechanics, an orbit is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an object or position in space such as ...
of a planet from three observations of its position. In 1753 he also discovered the absence of atmosphere on the
Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...
.


Biography


Early years

Boscovich was born on 18 May 1711 in
Dubrovnik Dubrovnik (), historically known as Ragusa (; see notes on naming), is a city on the Adriatic Sea in the region of Dalmatia, in the southeastern semi-exclave of Croatia. It is one of the most prominent tourist destinations in the Mediterran ...
,
Republic of Ragusa hr, Sloboda se ne prodaje za sve zlato svijeta it, La libertà non si vende nemmeno per tutto l'oro del mondo"Liberty is not sold for all the gold in the world" , population_estimate = 90 000 in the XVI Century , currency = ...
, to Nikola Bošković, a Ragusan merchant, and Paola Bettera (1674–1777), daughter of a local nobleman of
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...
origin. Boscovich's father was most likely an ethnic
Croat The Croats (; hr, Hrvati ) are a South Slavic ethnic group who share a common Croatian ancestry, culture, history and language. They are also a recognized minority in a number of neighboring countries, namely Austria, the Czech Republic, Ge ...
. He was baptised on 26 May 1711 by Marinus Carolis, ''curatus et sacristia''. The name Ruđer/Ruggiero may have been given to him because both his maternal great-grandfather, Agostino Bettera, and his mother's brother were called Ruggiero; his godfather was his uncle, Ruggiero Bettera. He was the seventh child of the family and the second youngest. His father was born in the village of
Orahov Do Orahov Do (Serbian Cyrillic: Орахов До) is a village in Ravno municipality Bosnia and Herzegovina. It was formerly part of the Trebinje municipality, up until the Bosnian War. It is only a few kilometers away from the border with Croatia o ...
near
Ravno Ravno is a village and municipality located in Herzegovina-Neretva Canton of the Federation of Bosnia and Herzegovina, an entity of Bosnia and Herzegovina. Ravno was a separate municipality until 1963, when it became a part of the Trebinje muni ...
, at the time part of the
Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...
(now
Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and H ...
).'"Roger Joseph Boscovich'" SJ FRS, 1711–1787 ''Studies of his life and work on the 250th anniversary of his birth''
edited L L Whyte, George Allen and Unwin, London, 1961.
His uncle, Don Ilija Bošković, was killed by Uskok bandits while celebrating Mass in 1692. While his father, Nikola, had once been a prolific trader who traveled through the Ottoman Empire, Ruđer only knew him as a bedridden invalid; he died when his son was 10 years old. Boscovich's mother Paola, nicknamed "Pavica", was a member of a cultivated Italian merchant family established in Dubrovnik since the early 17th century, when her ancestor, Pietro Bettera, settled from Bergamo in northern Italy. She was described as a robust and active woman with a happy temperament who lived to 103. Paola Bettera Bošković left nothing in writing but her sister wrote poetry in Italian. Ruđer's cousins and playmates, Antun Bošković and Franjo Bošković, grew up into good Latinists. His own brothers and sisters were all older than himself, except his sister Anica Bošković (1714–1804), two years his junior. His eldest sister, Mare Bošković, nineteen years his senior, was the only member of the family to marry. His second sister, Marija Bošković, became a nun in the Ragusa Convent of St Catherine. His eldest brother, Božo Bošković (Boško, called ''Natale'' by Roger in private correspondence), thirteen years older, joined the service of the Ragusa Republic. Another brother, Bartolomej Bošković, born in 1700 and educated at the Jesuit school in Dubrovnik, left home when Ruđer was 3 to become a scholar and a Jesuit priest in Rome. He also wrote verse in both Latin and "Illyrian" (the Renaissance era name for Serbo-Croatian), but eventually burnt some of his manuscripts out of a scrupulous modesty. Another brother, Ivan (Đivo) Bošković, became a Dominican in a sixteenth-century monastery in Dubrovnik, whose church Ruđer knew as a child with its rich treasures and paintings by Titian and Vasari, still there today. Another brother, Petar (Pero) Bošković, six years his senior, became a poet like his grandfather. He was schooled by the Jesuits, then served as an official of the Republic and made his reputation as a translator of Ovid, Corneille's Cid and of Molière. A volume of his religious verse, ''Hvale Duhovne'', was published in Venice in 1729. At the age of 8 or 9, after acquiring the rudiments of reading and writing from Father Nicola Nicchei of the Church of St Nicholas, Ruđer was sent for schooling to the local Jesuit ''
Collegium Ragusinum The ''Collegium Ragusinum'', sometimes also ''Rhagusinum'', was the Jesuit college in the Republic of Ragusa, now the city of Dubrovnik in Croatia. Following early Jesuit presence in Ragusa in the late 1550s, the college was established in 1658 a ...
''. During his early studies, Boscovich showed a distinct propensity for further intellectual development. He gained a reputation at school for having an easy memory and a quick, deep mind. On 16 September 1725, Ruđer Bošković left Dubrovnik for Rome. He was in the care of two Jesuit priests who took him to the
Society of Jesus , image = Ihs-logo.svg , image_size = 175px , caption = ChristogramOfficial seal of the Jesuits , abbreviation = SJ , nickname = Jesuits , formation = , founders ...
, famous for its education of youth and at that time having some 800 establishments and 200,000 pupils under its care throughout the world. We learn nothing from Bošković himself until the time he entered the novitiate in 1731, but it was the usual practice for novices to spend the first two years not in the
Collegium Romanum The Pontifical Gregorian University ( it, Pontificia Università Gregoriana; also known as the Gregorian or Gregoriana,) is a higher education ecclesiastical school (pontifical university) located in Rome, Italy. The Gregorian originated as ...
but in
Sant'Andrea delle Fratte Sant'Andrea delle Fratte ("Saint Andrew of the Thickets") is a 17th-century basilica church in Rome, Italy, dedicated to St. Andrew. The Cardinal Priest of the ''Titulus S. Andreae Apostoli de Hortis'' is Ennio Antonelli. History The current c ...
. There, he studied mathematics and
physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
; and so brilliant was his progress in these sciences that in 1740 he was appointed professor of mathematics in the college. He was especially appropriate for this post due to his acquaintance with recent advances in science, and his skill in a classical severity of demonstration, acquired by a thorough study of the works of the Greek geometers. Several years before this appointment he had made a name for himself with an elegant solution of the problem of finding the
Sun The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...
's equator and determining the period of its rotation by observation of the spots on its surface.


Middle years

Notwithstanding the arduous duties of his professorship, he found time for investigation in various fields of physical science, and he published a very large number of dissertations, some of them of considerable length. Among the subjects were the
transit of Mercury frameless, upright=0.5 A transit of Mercury across the Sun takes place when the planet Mercury passes directly between the Sun and a superior planet. During a transit, Mercury appears as a tiny black dot moving across the Sun as the planet obs ...
, the
Aurora Borealis An aurora (plural: auroras or aurorae), also commonly known as the polar lights, is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of bri ...
, the figure of the Earth, the observation of the fixed stars, the inequalities in terrestrial gravitation, the application of mathematics to the theory of the
telescope A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally meaning only an optical instrument using lenses, curved mirrors, or a combination of both to observ ...
, the limits of certainty in astronomical observations, the solid of greatest attraction, the
cycloid In geometry, a cycloid is the curve traced by a point on a circle as it rolls along a straight line without slipping. A cycloid is a specific form of trochoid and is an example of a roulette, a curve generated by a curve rolling on another cu ...
, the logistic curve, the theory of
comet A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena ...
s, the
tide Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables ...
s, the law of continuity, the
double refraction Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light. These optically anisotropic materials are said to be birefringent (or birefractive). The birefring ...
micrometre The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Unit ...
, and various problems of
spherical trigonometry Spherical trigonometry is the branch of spherical geometry that deals with the metrical relationships between the sides and angles of spherical triangles, traditionally expressed using trigonometric functions. On the sphere, geodesics are grea ...
. In 1742, he was consulted, with other men of science, by
Pope Benedict XIV Pope Benedict XIV ( la, Benedictus XIV; it, Benedetto XIV; 31 March 1675 – 3 May 1758), born Prospero Lorenzo Lambertini, was head of the Catholic Church and ruler of the Papal States from 17 August 1740 to his death in May 1758. Pope Be ...
, as to the best means of securing the stability of the dome of St. Peter's, Rome, in which a crack had been discovered. His suggestion of placing five concentric iron bands was adopted. In 1744 he was ordained to the Roman Catholic priesthood. In 1745 Bošković published ''De Viribus Vivis'' in which he tried to find a middle way between
Isaac Newton Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, physicist, astronomer, alchemist, theologian, and author (described in his time as a " natural philosopher"), widely recognised as one of the grea ...
's gravitational theory and
Gottfried Leibniz Gottfried Wilhelm (von) Leibniz . ( – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat. He is one of the most prominent figures in both the history of philosophy and the history of mathem ...
's metaphysical theory of
monad Monad may refer to: Philosophy * Monad (philosophy), a term meaning "unit" **Monism, the concept of "one essence" in the metaphysical and theological theory ** Monad (Gnosticism), the most primal aspect of God in Gnosticism * ''Great Monad'', a ...
-points. He developed a concept of "impenetrability" as a property of hard bodies which explained their behaviour in terms of force rather than
matter In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume. All everyday objects that can be touched are ultimately composed of atoms, which are made up of interacting subatomic part ...
. Stripping atoms of their matter, impenetrability is disassociated from hardness and then put in an arbitrary relationship to elasticity. Impenetrability has a Cartesian sense that more than one point cannot occupy the same location at once. Bošković visited his hometown only once, in 1747, never to return. He agreed to take part in the Portuguese expedition for the survey of
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
and the
arc measurement Arc measurement, sometimes degree measurement (german: Gradmessung), is the astrogeodetic technique of determining of the radius of Earth – more specifically, the local Earth radius of curvature of the figure of the Earth – by relating the la ...
of a degree of
latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north pol ...
( meridian arc), but was persuaded by the Pope to stay in Italy and to undertake a similar task there with Christopher Maire, an English Jesuit who measured an arc of two degrees between Rome and
Rimini Rimini ( , ; rgn, Rémin; la, Ariminum) is a city in the Emilia-Romagna region of northern Italy and capital city of the Province of Rimini. It sprawls along the Adriatic Sea, on the coast between the rivers Marecchia (the ancient ''Ariminu ...
. The operation began at the end of 1750, and was completed in about two years. An account was published in 1755, under the name ''De Litteraria expeditione per pontificiam ditionem ad dimetiendos duos meridiani gradus a PP. Maire et Boscovicli.'' The value of this work was increased by a carefully prepared map of the States of the Church. A French translation appeared in 1770 which incorporated, as an appendix, some material first published in 1760 outlining an objective procedure for determining suitable values for the parameters of the fitted model from a greater number of observations. An unconstrained variant of this fitting procedure is now known as the L1-norm or
Least absolute deviations Least absolute deviations (LAD), also known as least absolute errors (LAE), least absolute residuals (LAR), or least absolute values (LAV), is a statistical optimality criterion and a statistical optimization technique based minimizing the ''sum o ...
procedure and serves as a robust alternative to the familiar L2-norm or Least Squares procedure. A dispute arose between Francis the
Grand Duke of Tuscany The rulers of Tuscany varied over time, sometimes being margraves, the rulers of handfuls of border counties and sometimes the heads of the most important family of the region. Margraves of Tuscany, 812–1197 House of Boniface :These were origin ...
and the
Republic of Lucca The Republic of Lucca ( it, Repubblica di Lucca) was a medieval and early modern state that was centered on the Italian city of Lucca in Tuscany, which lasted from 1160 to 1805. Its territory extended beyond the city of Lucca, reaching the surr ...
with respect to the drainage of a lake. As agent of Lucca, Bošković was sent, in 1757, to
Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...
and succeeded in bringing about a satisfactory arrangement in the matter. In
Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...
in 1758, he published the first edition of his famous work, ''Philosophiæ naturalis theoria redacta ad unicam legem virium in natura existentium'' (''Theory of Natural philosophy derived to the single Law of forces which exist in Nature''), containing his
atomic theory Atomic theory is the scientific theory that matter is composed of particles called atoms. Atomic theory traces its origins to an ancient philosophical tradition known as atomism. According to this idea, if one were to take a lump of matter ...
and his theory of forces. A second edition was published in 1763 in
Venice Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 bridges. The isla ...
and a third again in Vienna in 1764. In 1922 it was published in London, and in 1966 in the United States. Another edition was published in
Zagreb Zagreb ( , , , ) is the capital and largest city of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb stands near the international border between Croatia and Slov ...
in 1974. File:Boscovich-2.jpg, alt=, Outside of a 1763 copy of Boscovich's ''"Theoria philosophiae naturalis, redacta ad unicam legem virium in natura existentium"'' File:Boscovich-2 (3).jpg, alt=, Opening page ''"Theoria philosophiae naturalis"'' File:Boscovich-2 (2).jpg, alt=, First page of ''"Theoria philosophiae naturalis"'' Another occasion to exercise his diplomatic ability soon arose. The British government suspected that
warship A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are usually faster ...
s had been fitted out in Dubrovnik for the service of
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...
, and that therefore the neutrality of the republic had been violated. Bošković was selected to undertake an ambassadorship to
London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...
in 1760, to convince the British that nothing of the sort had occurred and provide proof of Ragusa's neutrality. This mission proved to be a complete success – a credit to him and a delight to his countrymen. During his stay in
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...
he was elected as a
fellow of the Royal Society Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the judges of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural knowledge, including mathemat ...
. In 1761, astronomers were preparing to observe the
transit of Venus frameless, upright=0.5 A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and a superior planet, becoming visible against (and hence obscuring a small portion of) the solar disk. During a tr ...
across the Sun. Under the influence of the Royal Society, Bošković decided to travel to
Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya ( Arabic), Basileuousa ("Queen of Cities"), Megalopolis ( ...
. He arrived late and then travelled to
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...
via
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedo ...
and
Moldavia Moldavia ( ro, Moldova, or , literally "The Country of Moldavia"; in Romanian Cyrillic alphabet, Romanian Cyrillic: or ; chu, Землѧ Молдавскаѧ; el, Ἡγεμονία τῆς Μολδαβίας) is a historical region and for ...
then proceeding to
Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
where he was elected as a member of
Russian Academy of Science The Russian Academy of Sciences (RAS; russian: Росси́йская акаде́мия нау́к (РАН) ''Rossíyskaya akadémiya naúk'') consists of the national academy of Russia; a network of scientific research institutes from across t ...
s. Ill health compelled him soon to return to Italy. Bošković visited
Laibach Laibach () is a Slovenian avant-garde music group associated with the industrial, martial, and neo-classical genres. Formed in the mining town of Trbovlje (at the time in Yugoslavia) in 1980, Laibach represents the musical wing of the Neue ...
, the capital of Carniola (now
Ljubljana, Slovenia Ljubljana (also known by other Ljubljana#Name, historical names) is the Capital city, capital and largest city of Slovenia. It is the country's cultural, educational, economic, political and administrative center. During antiquity, a Roman city ...
), at least in 1757, 1758, and 1763, and made contact with the Jesuits and the Franciscan friars in the town. The Jesuits incorporated his teachings into their lectures at the Laibach Jesuit College. His physics became the foundation of physical lectures as well in other parts of the Habsburg monarchy, and influenced the thought of, among others,
Gabriel Gruber Gabriel Gruber, S.J. (May 6, 1740 – April 7, 1805) was the second Superior General of the Society of Jesus in Russia. Early years and education Gabriel Gruber, born in Vienna, became a Jesuit at the young age of 15, in 1755 and did most of h ...
and
Jurij Vega Baron Jurij Bartolomej Vega (also Veha; la, Georgius Bartholomaei Vecha; german: Georg Freiherr von Vega; born ''Vehovec'', March 23, 1754 – September 26, 1802) was a Slovene mathematician, physicist and artillery officer. Early life Bor ...
, prominent physicists of the period. Both Vega and the Rationalist philosopher Franz Samuel Karpe educated their students in Vienna about the ideas of Bošković and in the spirit of his thought.


Late years

In 1764 he was called to serve as the chair of mathematics at the
University of Pavia The University of Pavia ( it, Università degli Studi di Pavia, UNIPV or ''Università di Pavia''; la, Alma Ticinensis Universitas) is a university located in Pavia, Lombardy, Italy. There was evidence of teaching as early as 1361, making it one ...
, and for six years he held this post with the directorship of the observatory of Brera in Milan, That is where Charles Burney met him; since Burney's Italian was not very good at that time, Boscovich obliged him speaking French. He was invited by the
Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, re ...
of London to undertake an expedition to California to observe the
transit of Venus frameless, upright=0.5 A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and a superior planet, becoming visible against (and hence obscuring a small portion of) the solar disk. During a tr ...
in 1769 again, but this was prevented by the recent decree of the Spanish government expelling Jesuits from its
dominion The term ''Dominion'' is used to refer to one of several self-governing nations of the British Empire. "Dominion status" was first accorded to Canada, Australia, New Zealand, Newfoundland, South Africa, and the Irish Free State at the 192 ...
s. Bošković had many enemies and he was driven to frequent changes of residence. About 1777 he returned to Milan, where he kept teaching and directing the Brera observatory. Deprived of his post by the intrigues of his associates, he was about to retire to Dubrovnik when in 1773 the news of the suppression of his order in Italy reached him. Uncertainty led him to accept an invitation from the King of France to come to Paris where he was appointed director of
optics Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultrav ...
for the navy, with a pension of 8,000 ''
livres The (; ; abbreviation: ₶.) was one of numerous currencies used in medieval France, and a unit of account (i.e., a monetary unit used in accounting) used in Early Modern France. The 1262 monetary reform established the as 20 , or 80.88 gr ...
'' and a position was created for him. He naturalised in France and stayed ten years, but his position became irksome, and at length intolerable. He, however, continued to work in the pursuit of science knowledge, and published many remarkable works. Among them was an elegant solution of the problem to determine the
orbit In celestial mechanics, an orbit is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an object or position in space such as ...
of a
comet A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena ...
from three observations, and works on
micrometre The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Unit ...
and achromatic telescopes. In 1783 he returned to Italy and spent two years at Bassano, occupying himself with the publication of his ''Opera pertinentia ad opticam et astronomiam, etc.'', published in 1785 in five volumes quarto. After a visit of some months to the convent of Vallombrosa, he went to Brera in 1786 and resumed his work. At that time his health was failing, his reputation was on the wane, his works did not sell, and he gradually fell prey to illness and disappointment. He died in Milan and was buried in the church of St. Maria Podone.


Boscovich's demon

In philosophy and physics,
Laplace's demon In the history of science, Laplace's demon was a notable published articulation of causal determinism on a scientific basis by Pierre-Simon Laplace in 1814. According to determinism, if someone (the demon) knows the precise location and moment ...
is a
thought experiment A thought experiment is a hypothetical situation in which a hypothesis, theory, or principle is laid out for the purpose of thinking through its consequences. History The ancient Greek ''deiknymi'' (), or thought experiment, "was the most anc ...
supporting the concept of determinism. It suggests that if someone (the Demon) knew the precise location and momentum of every particle in the universe, he could in principle calculate the history and future of every particle. While Laplace's version of determinism is based on general terms, Boscovich's uses physical terms, like position,
velocity Velocity is the directional speed of an object in motion as an indication of its rate of change in position as observed from a particular frame of reference and as measured by a particular standard of time (e.g. northbound). Velocity i ...
, direction and
centre of mass In physics, the center of mass of a distribution of mass in space (sometimes referred to as the balance point) is the unique point where the weighted relative position of the distributed mass sums to zero. This is the point to which a force may ...
. Boscovich also (correctly) suggests that the continuity of force is a necessary assumption for determinism, and he presented it in strict mathematical form. In short, Boskovich's determinism is more physical, while Laplace's determinism is more metaphysical, placing it in harmony with
Leibniz Gottfried Wilhelm (von) Leibniz . ( – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat. He is one of the most prominent figures in both the history of philosophy and the history of ma ...
's metaphysics. Knowing with complete accuracy both the location and velocity of a particle violates the
uncertainty principle In quantum mechanics, the uncertainty principle (also known as Heisenberg's uncertainty principle) is any of a variety of mathematical inequalities asserting a fundamental limit to the accuracy with which the values for certain pairs of physic ...
of modern
quantum mechanics Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistr ...
, so it is unclear if this is physically possible.


Further works

In addition to the works already mentioned Bošković published course material he had prepared for his pupils in mathematics. He also published accounts of his travels from
Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya ( Arabic), Basileuousa ("Queen of Cities"), Megalopolis ( ...
to
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...
, in several expanded editions and translated into French. Bošković applied himself to practical engineering projects, including several discussions of architectural repair or stability, including repairs to St Peter's Dome, the stability of the Duomo of Milan, repairs to the library of Cesarea di Vienna, and a report on the damage to sectors of Rome in June 1749 due to a whirlwind. Bošković was also consulted on civil works concerning ports and rivers: Ivica MartinovicIvica Martinović (2000) "Ruđer Bošković's Expert Analyses in Hydraulic Engineering:An Unexamined Dimension of Bošković's Work" ''Jesuits among the Croats'' Pozaić, Valentin (ed). – Zagreb : Institute of philosophy and theology SJ and Croatian historical, 2000. 65–87. has shown the extent to which Bošković applied himself to such works, and lists 13 major works: Martinovic's paper includes an extensive annotated bibliography on such works.


Legacy

For his contributions to astronomy, a lunar crater was named after him (see Boscovich crater). The largest Croatian institute of natural sciences and technology, based in
Zagreb Zagreb ( , , , ) is the capital and largest city of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb stands near the international border between Croatia and Slov ...
, is called "
Ruđer Bošković Institute The Ruđer Bošković Institute (RBI; hr, Institut Ruđer Bošković, , IRB) is a research institute located in the Šalata neighborhood of Zagreb, Croatia, founded in 1950, which studies the sciences. Description It is the largest Croatian resea ...
". Bošković in 1782 was one of the founders of the Accademia nazionale delle scienze detta dei XL (''National Association of the Sciences''), with the name of "Società Italiana" (''Italian Association''): this learned society gathered forty members representing the most important Italian scientists of the period. The oldest astronomical society in the Balkans based in Serbia's capital Belgrade is called
Astronomical Society Ruđer Bošković Astronomical Society Ruđer Bošković ( sr, Астрономско друштво Руђер Бошковић, Astronomsko društvo Ruđer Bošković) is an astronomical society in Belgrade, Serbia. Founded in 1934 by a group of students, it i ...
. In 1873, Nietzsche wrote a fragment called 'Time Atom Theory', which was a reworking of Boscovich's ''Theoria Philosophiae Naturalis redacta ad unicam legem virium in natura existentium''. In general, Boscovich's ideas were a large influence on Nietzsche's ideas of force and the will to power. He was nicknamed ''the Croatian Leibniz'' by
Werner Heisenberg Werner Karl Heisenberg () (5 December 1901 – 1 February 1976) was a German theoretical physicist and one of the main pioneers of the theory of quantum mechanics. He published his work in 1925 in a breakthrough paper. In the subsequent serie ...
. On the occasion of the 200th anniversary of Boscovich death (1987) Yugoslav state Post based in Belgrade made a postage stamp and postcard on which is written that Boskovich was "the greatest Croatian scientist of his time"


Religious views

Bošković was a Roman Catholic priest, and in expressing his religious views was straightforward. In his most famous book ''A Theory of Natural Philosophy'' (1758) he says: "Regarding the nature of the Divine Creator, my theory is extraordinarily illuminating, and the result from it is a necessity to recognize Him. ... Therefore vain dreams of those who believe that the world was created by accident, or that it could be built as a fatal necessity, or that it was there for eternity lining itself along his own necessary laws are completely eliminated." Bošković also composed poetry with many religious and astronomical allusions. In his
Marian devotion Marian devotions are external pious practices directed to the person of Mary, mother of God, by members of certain Christian traditions. They are performed in Catholicism, High Church Lutheranism, Anglo-Catholicism, Eastern Orthodoxy and Ori ...
, he wrote hexameter verses on the
Virgin Mary Mary; arc, ܡܪܝܡ, translit=Mariam; ar, مريم, translit=Maryam; grc, Μαρία, translit=María; la, Maria; cop, Ⲙⲁⲣⲓⲁ, translit=Maria was a first-century Jewish woman of Nazareth, the wife of Joseph and the mother of ...
. In the same dome of St. Peter in Rome, whose cupola he saved from ruin, he worked as a confessor administering the Sacrament of Penance or Reconciliation.


Nationality

The modern concept of nationality, based on
ethnic An ethnic group or an ethnicity is a grouping of people who identify with each other on the basis of shared attributes that distinguish them from other groups. Those attributes can include common sets of traditions, ancestry, language, history, ...
concepts as language, culture, religion, custom, etc., was developed only in the 19th century. For this reason the attribution of a definite "nationality" to personalities of the previous centuries, living in ethnically mixed regions, is often indeterminable; Bošković's legacy is consequently celebrated in
Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...
, Italy and
Serbia Serbia (, ; Serbian: , , ), officially the Republic of Serbia (Serbian: , , ), is a landlocked country in Southeastern and Central Europe, situated at the crossroads of the Pannonian Basin and the Balkans. It shares land borders with Hungar ...
. His ethnicity is also part of the Serb-Croat distinctions in self-identification of the
Western Western may refer to: Places *Western, Nebraska, a village in the US *Western, New York, a town in the US *Western Creek, Tasmania, a locality in Australia *Western Junction, Tasmania, a locality in Australia *Western world, countries that id ...
South Slavic enlighteners, that was one of the major problems in 20th century
Yugoslavia Yugoslavia (; sh-Latn-Cyrl, separator=" / ", Jugoslavija, Југославија ; sl, Jugoslavija ; mk, Југославија ;; rup, Iugoslavia; hu, Jugoszlávia; rue, label=Pannonian Rusyn, Югославия, translit=Juhoslavija ...
. A number of sources state that he referred to his Croatian identity. Bošković's published letters and correspondence can be found in the Work of Yugoslav Academy of Arts and Sciences, number 185, year 1911 (of special interest are pages 345 and 377). In writings to his sister Anica (Anna), he told her he had not forgotten the Croatian language. In a letter to his brother from 1757, he describes the encounter with Croatian soldiers in
Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...
and remarks at the end of the letter: "" ("Long life to
Hadik Hadik is a surname. Notable people from the noble Hungarian Hadik de Futak family include: *András Hadik Count András Hadik de Futak ( hu, gróf futaki Hadik András; german: Andreas Graf Hadik von Futak; sk, Andrej Hadík; 16 October 1710 ...
and to our Croats!"). While living in
Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), ma ...
and attending to a military parade where he saw a Croatian unit from Ragusa, his words were: "there are my brave Croats". Italian sources claim that Boscovich was remembered as an Italian. According to Italian sources, he was born in a city with mixed cultures, Croatian and Italian, and the higher social strata of Dubrovnik were under Italian influence (Roman-Dalmatian influence). His mother's family came from Italy, and his life and career had strong Italian influences. He moved to Italy at age 14, where he spent most of his life. In some encyclopaedias he is described as an Italian scientist. He used the Italian language in private, including in correspondence with his brother Baro, and
Voltaire François-Marie Arouet (; 21 November 169430 May 1778) was a French Enlightenment writer, historian, and philosopher. Known by his ''nom de plume'' M. de Voltaire (; also ; ), he was famous for his wit, and his criticism of Christianity—es ...
wrote to Boscovich in Italian "as a sign of respect". The
Serbian Academy of Sciences and Arts The Serbian Academy of Sciences and Arts ( la, Academia Scientiarum et Artium Serbica, sr-Cyr, Српска академија наука и уметности, САНУ, Srpska akademija nauka i umetnosti, SANU) is a national academy and the ...
ranks him among
the 100 most prominent Serbs ''The 100 most prominent Serbs'' ( sr-Cyrl, 100 најзнаменитијих Срба) is a book containing the biographies of the hundred most important Serbs compiled by a committee of academicians at the Serbian Academy of Sciences and Arts. ...
, According to one source, branches of the brotherhood are said to have settled the surroundings of
Stolac Stolac is an ancient city located in Herzegovina-Neretva Canton of the Federation of Bosnia and Herzegovina, an entity of Bosnia and Herzegovina. It is located in the region of Herzegovina. Stolac is one of the oldest cities in Bosnia and Herzego ...
. Boscovich himself was proud of his Dalmatian identity. When
d'Alembert Jean-Baptiste le Rond d'Alembert (; ; 16 November 1717 – 29 October 1783) was a French mathematician, mechanician, physicist, philosopher, and music theorist. Until 1759 he was, together with Denis Diderot, a co-editor of the '' Encyclopé ...
in his ''Opuscule mathématiques...'' called him "an Italian mathematician", he shoot back that he was "a Dalmatian from Dubrovnik, and not an Italian".Harris, Robin. ''Dubrovnik, A History''. London:Saqi Books, 2003. , p. 618 However, he added that he had been living in Italy for a long time since his first youth, so "he can in some way be called Italian". A number of sources claim that Boscovich is a Serbian scientist or state that he is of Serbian paternal origin.


Works

Boscovich published eight scientific dissertations prior to his 1744 ordination as a priest and appointment as a professor and another 14 afterwards. The following is a partial list of his publications: * ''De maculis solaribus'' (1736) (''On Sunspots'') * ''De maculis solaribus exercitatio astronomica'' (1736) (''An astronomical exercise on sunspots'') * ''De Mercurii novissimo infra Solem transitu'' (1737) (''On the most recent transit of Mercury across the Sun'') * ''Trigonometriae sphaericae constructio'' (1737) (''The construction of trigonometric spheres'') * ''De aurora boreali'' (1738) (''On the Aurora Borealis'') * ''De novo telescopii usu ad objecta coelestia determinanda'' (1739) (''On the new use of the telescope for determining celestial objects'') * ''De veterum argumentis pro telluris sphaericitate'' (1739) (''On the arguments of the ancients for the sphericity of the earth'') * ''Dissertatio de telluris figura'' (1739) (''A dissertation on the shape of the earth'') * ''De Circulis osculatoribus, Dissertatio'' (1740) (''A dissertation on intersections of circles'') * ''De motu corporum projectorum in spatio non-resistente'' (1741) (''On the motion of unresisting projected bodies in space'') * ''De inaequalitate gravitatis in diversis terrae locis'' (1741) (''On the inequality of gravity in diverse places on earth'') * ''De natura et usu infinitorum et infinite parvorum'' (1741) (''On the nature and use of infinites and infinitessimals'') * ''De annusi fixarum aberrationibus'' (1742) (''On the annual aberration fixed stars'') * ''De observationibus astronomicis et quo pertingat earundem certitudo'' (1742) (''On astronomical observations and the certitude which pertains to them'') * ''Disquisitio in universam astronomiam'' (1742) (''A disquisition on universal astronomy'') * ''Parere di tre Matematici sopra i danni che si sono trovati nella Cupola di S. Pietro'' (1742) (''On the opinion of three mathematicians concerning the damage to the dome of St Peter's'') * ''De motu corporis attracti in centrum immobile viribus decrescentibus in ratione distantiarum reciproca duplicata in spatiis non-resistentibus'' (1743) (''On the motion of attracted body at an immobile centre by forces decreasing by the duplicate reciprocal proportion in non-resisting spaces'') * ''Riflessioni de' Padri Tommaso Le Seur, Francesco Jacquier de el' Ordine de' Minimi, e Ruggiero Giuseppe Boscovich della Compagnia di Gesù Sopra alcune difficoltà spettanti i danni, e Risarcimenti della Cupola Di S. Pietro'' (1743) (''Reflections of Fathers Tommaso Le Seur, Francis Jacquier of the Order of Minimi, and Ruggiero Giuseppe Boscovich of the Society of Jesus on problems due to damage, and repair of, the dome of St. Peter's''
Link to full text
* ''Nova methodus adhibendi phasium observationes in eclipsibus lunaribus ad exercendam geometriam et promovendam astronomiam'' (1744) (''A new method for using observations of phases in lunar eclipses for cultivating geometry and advancing astronomy'')
''De cyloide et logistica''
(1745) (''On the cycloid and the logicstic curve'')
''De viribus vivis''
(1745) (''On living forces'') * ''Trigonometria sphaerica'' (1745) (''Spherical trigonometry'') * ''De cometis'' (1746) (''On comets'') * ''Dissertatio de maris aestu'' (1747) (''A dissertation on the tides of the ocean'') * ''Dissertatio de lumine, 1–2'' (1748/1749) (''A dissertation on light'') * ''De determinanda orbita planetae ope catoptricae ex datis vi celeritate & directione motus in dato puncto'' (1749) (''On determining the orbits of a planet by the aid of catoptrics/reflections from given force speed and direction of motion in a given point'') * ''Sopra il Turbine che la notte tra gli XI e XII giugno del MDCCXLIX danneggio una gran parte di Roma'' (1749; Latin translation 1766) (''Upon the whirlwind that on the night between 11 and 12 June 1749 damaged a large part of Rome'') * ''De centrogravitatis'' (1751) (''On the centre of gravity'') * ''Elementorum matheseos ad usum studiosae juventutis'' (1752) (''The elements of mathematics for the use of young students'') * ''De lunae atmosphaera'' (1753) (''On the atmosphere of the moon'') * ''De continuitatis lege et eius consectariis pertinentibus ad prima materiae elementa eorumque vires dissertatio'' (1754) (''A dissertation on the law of continuity and its consequences pertaining to the first elements of matter and of its powers'') * ''Elementorium universae matheseos, 1–3'' (1757) (''Elements of general mathematics'') * ''De lege virium in natura existentium'' (1755) (''On the law of powers in the nature of existing things'') * ''De lentibus et telescopiis dioptricis disertatio'' (1755) (''Of dioptric lenses and telescopes'') * ''De inaequalitatibus quas Saturnus et Jupiter sibi mutuo videntur inducere praesertim circa tempus conjunctionis'' (1756) (''On the inequalities which Saturn and Jupiter seem to induce between themselves particularly around times of conjunction'') * ''Theoria philosophiae naturalis'' (1758) (''A Theory of Natural Philosophy''
link to full text
* ''De Solis ac Lunae defectibus'' (1760) (''On the sun, moon and eclipses'') * ''Scrittura sulli danni osservati nell' edificio della Biblioteca Cesarea di Vienna, e loro riparazione'' (1763) (''Writing on the damage observed in the building of the Library of Caesarea Vienna, and their repair'') * ''Memorie sopra il Porti di Rimini'' (1765) (''A memoir on the Ports of Rimini'') * ''Sentimento sulla solidità della nuova Guglia del Duomo di Milano'' (1765) (''Sentiments concerning the soundness of the new Spire of the Duomo of Milan'') * ''dissertationes quinque ad dioptricam pertinentes'' (1767) (''Five dissertations pertaining to dioptrics'') * ''Voyage astronomique et geographique'' (1770) (''An astronomic and geographic voyage'') * ''Memorie sulli cannocchiali diottrici'' (1771) (''A memoir on dioptric telescopes'') * (''Journal of a voyage from Constantinople to Poland'') * ''Sullo sbocco dell'Adige in Mare'' (1779) (''On the mouth of the River Adige'') * ''Riflessioni sulla relazione del Sig. Abate Ximenes appartenente al Progetto di un nuovo Ozzeri nello Stato Lucchese'' (1782) (''comments on the report of Signor Abbot Ximenes concerning the project for the Nuovo Ozzeri drainage channel in Lucca'') * (''Journal of a voyage from Constantinople to Poland of Abbot Ruggiero Giuseppe Boscovich, together with his report of the ruins of Troy'') * ''Opera pertinentia ad opticam et astronomiam, 1–5'' (1785) (''Works pertaining to optics and astronomy'') * ''Sui danni del Porto di Savona, loro cagioni e rimedi'' (1771) (''On the damage to the port of Savona, it causes and possible repairs'') * ''Lettere a Giovan Stefano Conti'' (1780) (''Letter to Giovan Stefano Conti'')


See also

*
List of Catholic clergy scientists This is a list of Catholic clergy throughout history who have made contributions to science. These churchmen-scientists include Nicolaus Copernicus, Gregor Mendel, Georges Lemaître, Albertus Magnus, Roger Bacon, Pierre Gassendi, Roger Joseph Bo ...
*
Pietro De Martino Pietro De Martino or Di Martino (31 May 1707 – 28 January 1746) was an Italian mathematician and astronomer. Biography Born in Faicchio, he was brother of Angelo, professor first of medical physics then of mathematics at the University of N ...
*
Quantile regression Quantile regression is a type of regression analysis used in statistics and econometrics. Whereas the method of least squares estimates the conditional ''mean'' of the response variable across values of the predictor variables, quantile regress ...


Notes


References

*


Further reading

* Boscovich, Ruggero Giuseppe. ''A Theory of Natural Philosophy. Translated by J. M. Child''. English ed. Cambridge, Mass.,: M. I. T. Press, 1966. * Brush, Stephen G. ''The Kind of Motion We Call Heat: A History of the Kinetic Theory of Gases in the 19th Century''. Vol. 6 Studies in Statistical Mechanics. New York: North-Holland Pub. Co., 1976. * Brush, Stephen G. ''Statistical Physics and the Atomic Theory of Matter : From Boyle and Newton to Landau and Onsager'' Princeton Series in Physics. Princeton, N.J.: Princeton University Press, 1983. * Bursill-Hall, Piers, ed. ''R.J. Boscovich; Vita E Attivita Scientifica; His Life and Scientific Work.'' Roma: Istituto della Enciclopedia Italiana, 1993. * Cerqueiro, Daniel. ''Boscovich, el viajero del Tiempo''. Buenos Aires: Ed. Peq. Venecia. 2008. * Dadić, Žarko. ''Ruđer Bošković'' (Parallel text in Croatian and English). Zagreb: Školska Knjiga, 1987 * Dimitric, Radoslav. ''Ruđer Bošković'' (Serbian, with English summary, Bošković works in original, and translations into English and Serbian). Pittsburgh: Helios Publishing Company, 2006, * Feingold, Mordechai. "A Jesuit among Protestants: Boscovich in England c. 1745 – 1820." In R.J. Boscovich; ''Vita E Attivita Scientifica; His Life and Scientific Work'', ed. Piers Bursill-Hall, 511–526. Roma: Istituto della Enciclopedia Italiana, 1993. * Franolić, Branko. ''Bošković in Britain'', Journal of Croatian Studies Vol. 43, 2002 Croatian Academy of America, New York US ISSN 0075-4218 * Hrvatski biografski leksikon he Croatian Biographical Lexicon Zagreb 1989. Vol 2, pp 194–199. * Justin, Rodriguez. "Scientific Revolution Atomic Projects." Stevens Journal of Oral Traditions, no. 1 (200?): xlv–xc. * Kargon, Robert. "William Rowan Hamilton, Michael Faraday, and the Revival of Boscovichean Atomism." American Journal of Physics 32, no. 10 (1964): 792–795. * Kargon, Robert. "William Rowan Hamilton and Boscovichean Atomism." Journal of the History of Ideas 26, no. 1 (1965): 137–140. * Katritsky, Linde. "Coleridge's Links with Leading Men of Science." Notes and Records of the Royal Society of London 49, no. 2 (1995): 261–276. * Lukan, Peter. ''Roger Boscovich and the Quantum Mechanical Combination of Dynamic and Statical Laws.'' Almagest. International Journal for the History of Science 6, 1 (2015): 64–79. * Morais Jr, Luis Carlos de. ''Alchimia seu Archimagisterium Solis in V Libri''. Rio de Janeiro: Quartica Premium, 2013. * Petković, Tomisclav. ''R. J. Boscovich's Achievement in Natural Philosophy in Relation to the Development of Modern Particle Physics.'' Almagest. International Journal for the History of Science 6, 1 (2015): 80–103. * Petrović, Aleksandar. ''The Presence of Boscovich's'' Theoria Philosophiae Naturalis ''and the Absence of its Translations.'' Almagest. International Journal for the History of Science 6, 1 (2015): 8–21. * Priestley, Joseph, and Robert E. Schofield. ''A Scientific Autobiography of Joseph Priestley, 1733–1804''; Selected Scientific Correspondence. Cambridge, : M.I.T. Press, 1966. * Proverbio, Edoardo. ''Catalogo delle opere a stampa di Ruggiero Giuseppe Boscovich''. Roma: Accademia Nazionale Delle Scienze Detta Dei XL. 2007. * Savkovic, Nada. ''Occasional Poetry by Roger Boscovich''. Almagest. International Journal for the History of Science 6, 1 (2015): 32–47. * Scott, Wilson L. "The Significance Of "Hard Bodies" In the History of Scientific Thought." Isis 50, no. 3 (1959): 199–210. * * Stavinschi, Magda.''Boscovich on the Romanian Territories.'' Almagest. International Journal for the History of Science 6, 1 (2015): 22–31. * Uršič, Marko. ''Boscovich's Distinction between the Potential and the Actual Space from the Standpoint of Modern Search for the Union of Mind and Nature.'' Almagest. International Journal for the History of Science 6, 1 (2015): 48–63. * Whyte, Lancelot Law, ed. ''Roger Joseph Boscovich, S.J., F.R.S., 1711–1787: Studies of His Life and Work on the 250th Anniversary of His Birth.'' London, : G. Allen & Unwin, 1961. * Williams, L. Pearce. ''Michael Faraday, a Biography.'' New York, : Basic Books, 1965. * Williams, L. Pearce. "Boscovich, Mako, Davy and Faraday." In R.J. Boscovich; Vita E Attivita Scientifica; His Life and Scientific Work, ed. Piers Bursill-Hall, 587–600. Roma: Istituto della Enciclopedia Italiana, 1993.


External links

*
Ruggiero Giuseppe Boscovich, by University of St. Andrews



Online guide to the Ruggiero Giuseppe Boscovich Papers, 1711–1787
The Bancroft Library The Bancroft Library in the center of the campus of the University of California, Berkeley, is the university's primary special-collections library. It was acquired from its founder, Hubert Howe Bancroft, in 1905, with the proviso that it retai ...

Latin as a literary language among the Croats by Branko Franolić – contains information on Ruđer Bošković



All Croatian banknotes with Boscovich


* ttp://www.stampsbook.org/File-Croatia-stamp451kroatia.html Stamp of Joseph Boscovich* ttp://www.dubrovnik-online.net/english/famous_citizens.php About Ruđer Bošković* Boscovich's (1748
''Dissertationis de lumine''
– digital facsimile from the
Linda Hall Library The Linda Hall Library is a privately endowed American library of science, engineering and technology located in Kansas City, Missouri, sitting "majestically on a urban arboretum." It is the "largest independently funded public library of scien ...
{{DEFAULTSORT:Boscovich, Roger Joseph 1711 births 1787 deaths People from Dubrovnik Ragusan Jesuits Croatian people of Italian descent Croatian Roman Catholics Croatian Jesuits Croatian physicists Croatian philosophers Croatian male poets 18th-century Croatian poets Italian people of Croatian descent 18th-century Italian astronomers 18th-century Italian philosophers 18th-century Italian Jesuits 18th-century Italian Roman Catholic theologians 18th-century Italian mathematicians 18th-century Italian physicists 18th-century Italian poets 18th-century Italian male writers Italian philosophers Italian male poets Fellows of the Royal Society University of Pavia faculty Jesuit scientists Ragusan diplomats