Marcin Odlanicki Poczobutt ( lt, Martynas Počobutas; 30 October 1728 near Grodno – 7 February 1810 in

Daugavpils Daugavpils (; russian: Двинск; ltg, Daugpiļs ; german: Dünaburg, ; pl, Dyneburg; see other names) is a state city in south-eastern Latvia, located on the banks of the Daugava River, from which the city gets its name. The parts of the c ...

) was a Polish–Lithuanian Jesuit, astronomer and mathematician. He was professor of

Vilnius University Vilnius University ( lt, Vilniaus universitetas) is a public research university, oldest in the Baltic states and in Northern Europe outside the United Kingdom (or 6th overall following foundations of Oxford, Cambridge, St. Andrews, Glasgow an ...

for over 50 years, serving as its

rector Rector (Latin for the member of a vessel's crew who steers) may refer to: Style or title *Rector (ecclesiastical), a cleric who functions as an administrative leader in some Christian denominations *Rector (academia), a senior official in an edu ...

from 1780 to 1799. The crater Poczobutt 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 ...

is named after him.

Career

Marcin Odlanicki Poczobutt was born in the village of near Grodno, within Lithuania proper. He studied at

(1745–1751) and

Charles University ) , image_name = Carolinum_Logo.svg , image_size = 200px , established = , type = Public, Ancient , budget = 8.9 billion CZK , rector = Milena Králíčková , faculty = 4,057 , administrative_staff = 4,026 , students = 51,438 , underg ...

in Prague (1754–1756). With brief interruptions he lectured at Vilnius University from 1753 to 1808. Sponsored by

Michał Fryderyk Czartoryski Prince Michał Fryderyk Czartoryski (1696–1775) was a Polish nobleman, the Duke of Klewań and , magnate, and Knight of the Order of the White Eagle (from 1726). He headed Poland's Czartoryski " Familia". He served as Steward of Lithuania fro ...

, he further studied in France, Italy, and Germany from 1762 to 1764. His stay at the

Marseille Observatory Marseille Observatory (french: Observatoire de Marseille) is an astronomical observatory located in Marseille, France, with a history that goes back to the early 18th century. In its 1877 incarnation, it was the discovery site of a group of gala ...

under inspired him to devote his career to astronomy. He earned

doctorate of philosophy A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is a ...

, gained

professorship Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors ...

, and became director of the

Vilnius Astronomical Observatory Vilnius University Astronomical Observatory is an astronomical observatory of Vilnius University. It was founded in 1753 by initiative of Thomas Zebrowski. The observatory is the fourth oldest observatory in the Europe. While the observatory is n ...

in 1764. The observatory, established by Thomas Zebrowski, was in its early stages of development and Poczobutt worked hard to obtain modern instruments. Despite

suppression of the Jesuits The suppression of the Jesuits was the removal of all members of the Society of Jesus from most of the countries of Western Europe and their colonies beginning in 1759, and the abolishment of the order by the Holy See in 1773. The Jesuits we ...

in 1773, the observatory gained royal favour from King

Stanisław August Poniatowski Stanisław II August (born Stanisław Antoni Poniatowski; 17 January 1732 – 12 February 1798), known also by his regnal Latin name Stanislaus II Augustus, was King of Poland and Grand Duke of Lithuania from 1764 to 1795, and the last monarch ...

—it was named royal observatory and Poczobutt became King's astronomer. In 1780, Poczobutt was appointed as university rector by the

Commission of National Education The Commission of National Education ( pl, Komisja Edukacji Narodowej, KEN; lt, Edukacinė komisija) was the central educational authority in the Polish–Lithuanian Commonwealth, created by the Sejm and King Stanisław II August on October 1 ...

. He was tasked with reforming the university from a medieval school concentrated on humanities (philosophy and theology) to a modern scientific institution. Under Poczobutt the university improved its science, medicine, and law departments. As rector of the university he promoted the use of Latin and opposed any use of Polish or Lithuanian languages.

Scientific work

He often travelled to London where he ordered astronomical equipment from

Jesse Ramsden Jesse Ramsden FRS FRSE (6 October 1735 – 5 November 1800) was a British mathematician, astronomical and scientific instrument maker. His reputation was built on the engraving and design of dividing engines which allowed high accuracy measureme ...

and

John Dollond John Dollond FRS (10 June O.S. (21 June N.S.) 170630 November 1761) was an English optician, known for his successful optics business and his patenting and commercialization of achromatic doublets. Biography Dollond was the son of a Hugu ...

: a 4-foot

transit telescope In astronomy, a transit instrument is a small telescope with extremely precisely graduated mount used for the precise observation of star positions. They were previously widely used in astronomical observatories and naval observatories to measu ...

in 1765, 3.5-foot achromatic telescope in 1770, 8-foot mural quadrant in 1777, and

meridian circle The meridian circle is an instrument for timing of the passage of stars across the local meridian, an event known as a culmination, while at the same time measuring their angular distance from the nadir. These are special purpose telescopes mount ...

in 1788. Other purchases included octant, equatorial, two

theodolite A theodolite () is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land surveying, but it is also used extensively for building and ...

s, 10-foot

sextant A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of cel ...

. The observatory was expanded by architect Marcin Knackfus in 1782–1788 to accommodate the new equipment. Poczobutt observed solar and lunar eclipses,

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 (cometary), coma, and sometimes also a Comet ta ...

s and

asteroid An asteroid is a minor planet of the Solar System#Inner solar system, inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic o ...

s (including Ceres,

Pallas Pallas may refer to: Astronomy * 2 Pallas asteroid ** Pallas family, a group of asteroids that includes 2 Pallas * Pallas (crater), a crater on Earth's moon Mythology * Pallas (Giant), a son of Uranus and Gaia, killed and flayed by Athena * Pal ...

Juno Juno commonly refers to: * Juno (mythology), the Roman goddess of marriage and queen of the gods * ''Juno'' (film), 2007 Juno may also refer to: Arts, entertainment and media Fictional characters *Juno, in the film ''Jenny, Juno'' *Juno, in the ...

), and calculated geographic coordinates of settlements in the

Grand Duchy of Lithuania The Grand Duchy of Lithuania was a European state that existed from the 13th century to 1795, when the territory was partitioned among the Russian Empire, the Kingdom of Prussia, and the Habsburg Empire of Austria. The state was founded by Lit ...

(including

Vilnius Vilnius ( , ; see also other names) is the capital and largest city of Lithuania, with a population of 592,389 (according to the state register) or 625,107 (according to the municipality of Vilnius). The population of Vilnius's functional u ...

and

Hrodna Grodno (russian: Гродно, pl, Grodno; lt, Gardinas) or Hrodna ( be, Гродна ), is a city in western Belarus. The city is located on the Neman River, 300 km (186 mi) from Minsk, about 15 km (9 mi) from the Polish b ...

). In addition, he made measurements of Mercury to compute its orbit; later this data was used by

Jérôme Lalande Joseph Jérôme Lefrançois de Lalande (; 11 July 1732 – 4 April 1807) was a French astronomer, freemason and writer. Biography Lalande was born at Bourg-en-Bresse (now in the département of Ain) to Pierre Lefrançois and Marie‐Anne‐ ...

. He described 16-star constellation, which he named

Taurus Poniatovii Taurus Poniatovii (Latin for ''Poniatowski's bull'') was a constellation created by the former rector of Vilnius University, Marcin Odlanicki Poczobutt, in 1777 to honor Stanislaus Poniatowski, King of Poland and Grand Duke of Lithuania. It cons ...

in honour of King Poniatowski (it is now obsolete and considered to be part of the

Ophiuchus Ophiuchus () is a large constellation straddling the celestial equator. Its name comes from the Ancient Greek (), meaning "serpent-bearer", and it is commonly represented as a man grasping a snake. The serpent is represented by the constell ...

). His recorded observations amounted to 34 volumes. In 1770 he became the first in Lithuania to systematically measure and record weather temperature (continuous records survive since 1777). Poczobutt was elected 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 mathematic ...

in 1771 and a corresponding member of the

French Academy of Sciences The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research. It was at th ...

in 1778. He was made a member of the

Order of Saint Stanislaus The Order of Saint Stanislaus ( pl, Order Św. Stanisława Biskupa Męczennika, russian: Орден Святого Станислава), also spelled Stanislas, was a Polish order of knighthood founded in 1765 by King Stanisław August Ponia ...

in 1785 and Order of the White Eagle in 1793.

References

{{DEFAULTSORT:Poczobutt, Marcin Odlanicki 1728 births 1810 deaths Fellows of the Royal Society Members of the French Academy of Sciences Rectors of Vilnius University Vilnius University alumni Charles University alumni Kościuszko insurgents Lithuanian astronomers 18th-century Lithuanian Jesuits 18th-century Lithuanian mathematicians 18th-century Lithuanian Roman Catholic priests 18th-century Polish Jesuits 18th-century Polish–Lithuanian mathematicians 18th-century Polish Roman Catholic priests Jesuit scientists Recipients of the Order of the White Eagle (Poland)

Career

Scientific work

See also

References