The year 1825

science Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into twoor threemajor branches: the natural sciences, which stu ...

and

technology Technology is the application of Conceptual model, conceptual knowledge to achieve practical goals, especially in a reproducible way. The word ''technology'' can also mean the products resulting from such efforts, including both tangible too ...

involved some significant events, listed below.

Astronomy

Pierre-Simon Laplace Pierre-Simon, Marquis de Laplace (; ; 23 March 1749 – 5 March 1827) was a French polymath, a scholar whose work has been instrumental in the fields of physics, astronomy, mathematics, engineering, statistics, and philosophy. He summariz ...

completes his study of

gravitation In physics, gravity (), also known as gravitation or a gravitational interaction, is a fundamental interaction, a mutual attraction between all massive particles. On Earth, gravity takes a slightly different meaning: the observed force b ...

, the stability of the Solar System, tides, the precession of the equinoxes, the

libration In lunar astronomy, libration is the cyclic variation in the apparent position of the Moon that is perceived by observers on the Earth and caused by changes between the orbital and rotational planes of the moon. It causes an observer to see ...

of the Moon, and

Saturn Saturn is the sixth planet from the Sun and the second largest in the Solar System, after Jupiter. It is a gas giant, with an average radius of about 9 times that of Earth. It has an eighth the average density of Earth, but is over 95 tim ...

's rings in publishing the fifth and final volume of ''Mécanique Céleste'' (Celestial Mechanics).

Biology

Richard Harlan Richard Harlan (September 19, 1796 – September 30, 1843) was an American paleontologist, anatomist, and physician. He was the first American to devote significant time and attention to vertebrate paleontology and was one of the most importan ...

publishes ''Fauna Americana''. *

Charles Waterton Charles Waterton (3 June 1782 – 27 May 1865) was an English naturalist, plantation overseer and explorer best known for his pioneering work regarding conservation. Family and religion Waterton was of a Roman Catholic landed gentry family de ...

publishes ''Wanderings in South America, the North-west of the United States, and the Antilles, in the years 1812, 1816, 1820, and 1824; with original instructions for the perfect preservation of birds, &c. for cabinets of natural history''. *

Cox's Orange Pippin Cox's Orange Pippin, in Britain often referred to simply as Cox, is an apple cultivar first grown in 1825 or 1830 at Colnbrook in Buckinghamshire, England, by the retired brewer and horticulturist Richard Cox (horticulturist), Richard Cox. Thoug ...

apple An apple is a round, edible fruit produced by an apple tree (''Malus'' spp.). Fruit trees of the orchard or domestic apple (''Malus domestica''), the most widely grown in the genus, are agriculture, cultivated worldwide. The tree originated ...

cultivar A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...

first grown, at

Colnbrook Colnbrook is a village in the Borough of Slough, Slough district in Berkshire, England. It lies within the historic counties of England, historic boundaries of Buckinghamshire, and straddles two distributaries of the River Colne, Hertfordshire, ...

Buckinghamshire Buckinghamshire (, abbreviated ''Bucks'') is a Ceremonial counties of England, ceremonial county in South East England and one of the home counties. It is bordered by Northamptonshire to the north, Bedfordshire to the north-east, Hertfordshir ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

, by

horticulturist Horticulture (from ) is the art and science of growing fruits, vegetables, flowers, trees, shrubs and ornamental plants. Horticulture is commonly associated with the more professional and technical aspects of plant cultivation on a smaller and mo ...

and retired

brewer Brewing is the production of beer by steeping a starch source (commonly cereal grains, the most popular of which is barley) in water and fermenting the resulting sweet liquid with yeast. It may be done in a brewery by a commercial brewer, ...

Richard Cox.

Chemistry

Michael Faraday Michael Faraday (; 22 September 1791 – 25 August 1867) was an English chemist and physicist who contributed to the study of electrochemistry and electromagnetism. His main discoveries include the principles underlying electromagnetic inducti ...

isolates

benzene Benzene is an Organic compound, organic chemical compound with the Chemical formula#Molecular formula, molecular formula C6H6. The benzene molecule is composed of six carbon atoms joined in a planar hexagonal Ring (chemistry), ring with one hyd ...

as ''Bicarburet of Hydrogen''. *

Hans Christian Ørsted Hans Christian Ørsted (; 14 August 1777 – 9 March 1851), sometimes Transliteration, transliterated as Oersted ( ), was a Danish chemist and physicist who discovered that electric currents create magnetic fields. This phenomenon is known as ...

reduces

aluminium chloride Aluminium chloride, also known as aluminium trichloride, is an inorganic compound with the formula . It forms a hexahydrate with the formula , containing six water molecules of hydration. Both the anhydrous form and the hexahydrate are col ...

to produce metallic

aluminium Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has ...

in an impure form. *

Friedrich Wöhler Friedrich Wöhler Royal Society of London, FRS(For) HonFRSE (; 31 July 180023 September 1882) was a German chemist known for his work in both organic chemistry, organic and inorganic chemistry, being the first to isolate the chemical elements be ...

and

Justus von Liebig Justus ''Freiherr'' von Liebig (12 May 1803 – 18 April 1873) was a Germans, German scientist who made major contributions to the theory, practice, and pedagogy of chemistry, as well as to agricultural and biology, biological chemistry; he is ...

perform the first confirmed discovery and explanation of

isomers In chemistry, isomers are molecules or polyatomic ions with identical molecular formula – that is, the same number of atoms of each element – but distinct arrangements of atoms in space. ''Isomerism'' refers to the existence or possibili ...

, earlier named by Berzelius. Working with cyanic acid and fulminic acid, they correctly deduce that isomerism is caused by differing arrangements of atoms within a molecular structure.

Earth sciences

* July –

Volcanic eruption A volcanic eruption occurs when material is expelled from a volcanic vent or fissure. Several types of volcanic eruptions have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior h ...

Mount Guntur Mount Guntur () is an active stratovolcano in western Java. However, since the 19th century, it has not erupted. The name ''Guntur'' means "thunder" in the Sundanese language. The Kamojang crater, a geothermal power field and a tourist site, is ...

West Java West Java (, ) is an Indonesian Provinces of Indonesia, province on the western part of the island of Java, with its provincial capital in Bandung. West Java is bordered by the province of Banten and the country's capital region of Jakarta to t ...

. * G. Poulett Scrope publishes ''Considerations on Volcanoes'', the first systematic work on

volcanology Volcanology (also spelled vulcanology) is the study of volcanoes, lava, magma and related geology, geological, geophysical and geochemistry, geochemical phenomena (volcanism). The term ''volcanology'' is derived from the Latin language, Latin ...

Mathematics

Augustin-Louis Cauchy Baron Augustin-Louis Cauchy ( , , ; ; 21 August 1789 – 23 May 1857) was a French mathematician, engineer, and physicist. He was one of the first to rigorously state and prove the key theorems of calculus (thereby creating real a ...

presents the

Cauchy integral theorem In mathematics, the Cauchy integral theorem (also known as the Cauchy–Goursat theorem) in complex analysis, named after Augustin-Louis Cauchy (and Édouard Goursat), is an important statement about line integrals for holomorphic functions in t ...

for general integration paths—he assumes the function being integrated has a continuous derivative. * Augustin-Louis Cauchy introduces the theory of residues in

complex analysis Complex analysis, traditionally known as the theory of functions of a complex variable, is the branch of mathematical analysis that investigates functions of complex numbers. It is helpful in many branches of mathematics, including algebraic ...

. *

Peter Gustav Lejeune Dirichlet Johann Peter Gustav Lejeune Dirichlet (; ; 13 February 1805 – 5 May 1859) was a German mathematician. In number theory, he proved special cases of Fermat's last theorem and created analytic number theory. In analysis, he advanced the theory o ...

and

Adrien-Marie Legendre Adrien-Marie Legendre (; ; 18 September 1752 – 9 January 1833) was a French people, French mathematician who made numerous contributions to mathematics. Well-known and important concepts such as the Legendre polynomials and Legendre transforma ...

prove

Fermat's Last Theorem In number theory, Fermat's Last Theorem (sometimes called Fermat's conjecture, especially in older texts) states that no three positive number, positive integers , , and satisfy the equation for any integer value of greater than . The cases ...

for ''n = 5''. *

André-Marie Ampère André-Marie Ampère (, ; ; 20 January 177510 June 1836) was a French physicist and mathematician who was one of the founders of the science of classical electromagnetism, which he referred to as ''electrodynamics''. He is also the inventor of ...

discovers

Stokes' theorem Stokes' theorem, also known as the Kelvin–Stokes theorem after Lord Kelvin and George Stokes, the fundamental theorem for curls, or simply the curl theorem, is a theorem in vector calculus on \R^3. Given a vector field, the theorem relates th ...

. *

Benjamin Gompertz Benjamin Gompertz (5 March 1779 – 14 July 1865) was an English self-educated mathematician and actuary, who became a Fellow of the Royal Society. Gompertz is now best known for his Gompertz law of mortality, a demographic model published in ...

formulates the

Gompertz function The Gompertz curve or Gompertz function is a type of mathematical model for a time series, named after Benjamin Gompertz (1779–1865). It is a sigmoid function which describes growth as being slowest at the start and end of a given time period. T ...

Medicine

Jean-Baptiste Sarlandière Jean-Baptiste Sarlandière (9 May 1787 – 25 July 1838) was a French anatomist and physiologist born in Aix-la-Chapelle. At the age of 16 he began his medical studies at the local hospital in Noirmoutiers, but was soon called to military service ...

's ''Mémoires sur L'Électro-Puncture'' introduces Western medicine to

electroacupuncture Electroacupuncture is a form of acupuncture where a small electric current is passed between pairs of acupuncture needles. The Cochrane Collaboration, a group of evidence-based medicine (EBM) reviewers, reviewed acupuncture and electroacupunctu ...

Paleontology

Georges Cuvier Jean Léopold Nicolas Frédéric, baron Cuvier (23 August 1769 – 13 May 1832), known as Georges Cuvier (; ), was a French natural history, naturalist and zoology, zoologist, sometimes referred to as the "founding father of paleontology". Cuv ...

proposes his

catastrophe theory In mathematics, catastrophe theory is a branch of bifurcation theory in the study of dynamical systems; it is also a particular special case of more general singularity theory in geometry. Bifurcation theory studies and classifies phenomena chara ...

as the cause of

extinction Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

s of large groups of animals. *

Étienne Geoffroy Saint-Hilaire Étienne Geoffroy Saint-Hilaire (; 15 April 177219 June 1844) was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theorie ...

identifies Cuvier's fossil '

crocodile Crocodiles (family (biology), family Crocodylidae) or true crocodiles are large, semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. The term "crocodile" is sometimes used more loosely to include ...

' as a

teleosaurus ''Teleosaurus'' (from , 'perfect' and , 'lizard') is an extinct genus of teleosaurid crocodyliform found in the Middle Jurassic Calcaire de Caen Formation of France. It was approximately in length. The holotype is MNHN AC 8746, a quarter of ...

Technology

* August – The

wire file:Sample cross-section of high tension power (pylon) line.jpg, Overhead power cabling. The conductor consists of seven strands of steel (centre, high tensile strength), surrounded by four outer layers of aluminium (high conductivity). Sample d ...

cable Cable may refer to: Mechanical * Nautical cable, an assembly of three or more ropes woven against the weave of the ropes, rendering it virtually waterproof * Wire rope, a type of rope that consists of several strands of metal wire laid into a hel ...

suspension bridge A suspension bridge is a type of bridge in which the deck (bridge), deck is hung below suspension wire rope, cables on vertical suspenders. The first modern examples of this type of bridge were built in the early 1800s. Simple suspension bridg ...

between

Tournon-sur-Rhône Tournon-sur-Rhône (; , before 1988: ''Tournon'') is a commune in the Ardèche department of southern France. It is one of the most populous communes in the Ardèche department, after Annonay, Aubenas, and Guilherand-Granges. Geography It i ...

and

Tain-l'Hermitage Tain-l'Hermitage (; or ), commonly known as Tain, is a commune in the French department of Drôme, southeastern France. Geography It is located on the left bank of the river Rhône, opposite Tournon-sur-Rhône, which is located in Ardèche. Th ...

, designed by

Marc Seguin Marc Seguin (20 April 1786 – 24 February 1875) was a French engineer, inventor of the wire-Wire rope, cable suspension bridge and the multi-tubular steam-engine firetube boiler, boiler. Early life Seguin was born in Annonay, Ardèche to Ma ...

, opens. * September 27 – The world's longest railway to be worked by

steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, Fuel oil, oil or, rarely, Wood fuel, wood) to heat ...

s at this date, the

Stockton and Darlington Railway The Stockton and Darlington Railway (S&DR) was a railway company that operated in north-east England from 1825 to 1863. The world's first public railway to use steam locomotives, its first line connected coal mining, collieries near with ...

, opens in

northern England Northern England, or the North of England, refers to the northern part of England and mainly corresponds to the Historic counties of England, historic counties of Cheshire, Cumberland, County Durham, Durham, Lancashire, Northumberland, Westmo ...

. * October 26 – The

Erie Canal The Erie Canal is a historic canal in upstate New York that runs east–west between the Hudson River and Lake Erie. Completed in 1825, the canal was the first navigability, navigable waterway connecting the Atlantic Ocean to the Great Lakes, ...

officially opens over from

Albany, New York Albany ( ) is the List of capitals in the United States, capital city of the U.S. state of New York (state), New York. It is located on the west bank of the Hudson River, about south of its confluence with the Mohawk River. Albany is the oldes ...

, to

Lake Erie Lake Erie ( ) is the fourth-largest lake by surface area of the five Great Lakes in North America and the eleventh-largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and also has the shortest avera ...

. *

English English usually refers to: * English language * English people English may also refer to: Culture, language and peoples * ''English'', an adjective for something of, from, or related to England * ''English'', an Amish ter ...

inventor

William Sturgeon William Sturgeon (; 22 May 1783 – 4 December 1850) was an English electrical engineer and inventor who made the first electromagnet and the first practical electric motor. Early life Sturgeon was born on 22 May 1783 in Whittington, near ...

describes the first

electromagnet An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire (likely copper) wound into a electromagnetic coil, coil. A current through the wire creates a magnetic ...

Institutions

* December 19 – First of the annual

Royal Institution Christmas Lectures The Royal Institution Christmas Lectures are a series of lectures on a single topic each, which have been held at the Royal Institution in London each year since 1825. The lectures present scientific subjects to a general audience, including yo ...

in London, which will continue for two centuries.

Awards

Copley Medal The Copley Medal is the most prestigious award of the Royal Society of the United Kingdom, conferred "for sustained, outstanding achievements in any field of science". The award alternates between the physical sciences or mathematics and the bio ...

François Arago Dominique François Jean Arago (), known simply as François Arago (; Catalan: , ; 26 February 17862 October 1853), was a French mathematician, physicist, astronomer, freemason, supporter of the Carbonari revolutionaries and politician. Early l ...

; Peter Barlow

Births

* January 18 –

Edward Frankland Sir Edward Frankland, (18 January 18259 August 1899) was an English chemist. He was one of the originators of organometallic chemistry and introduced the concept of combining power or valence. An expert in water quality and analysis, he was ...

(died

1899 Events January * January 1 ** Spanish rule formally ends in Cuba with the cession of Spanish sovereignty to the U.S., concluding 400 years of the Spanish Empire in the Americas.''The American Monthly Review of Reviews'' (February 1899), p ...

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...

. * March 25 –

Max Schultze Max Johann Sigismund Schultze (25 March 1825 – 16 January 1874) was a German microscopic anatomist noted for his work on cell theory. Biography Schultze was born in Freiburg im Breisgau (Baden), son of the anatomist Karl August Sigismund Schu ...

(died

1874 Events January * January 1 – New York City annexes The Bronx. * January 2 – Ignacio María González becomes head of state of the Dominican Republic for the first time. * January 3 – Third Carlist War: Battle of Caspe &n ...

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

physiologist Physiology (; ) is the scientific study of functions and mechanisms in a living system. As a subdiscipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out chemical and ...

. * March 30 –

Theodor Kjerulf Theodor Kjerulf (30 March 182525 October 1888) was a Norway, Norwegian geologist and professor at the University of Oslo. He also served as director of the Norwegian Geological Survey. Biography He was born in Oslo, Christiania (now Oslo), Norway ...

(died

1888 Events January * January 3 – The great telescope (with an objective lens of diameter) at Lick Observatory in California is first used. * January 12 – The Schoolhouse Blizzard hits Dakota Territory and the states of Montana, M ...

), Norwegian

geologist A geologist is a scientist who studies the structure, composition, and History of Earth, history of Earth. Geologists incorporate techniques from physics, chemistry, biology, mathematics, and geography to perform research in the Field research, ...

. * May 1 –

Johann Balmer Johann Jakob Balmer (1 May 1825 – 12 March 1898) was a Swiss mathematician best known for his work in physics, the Balmer series of hydrogen atom. Biography Balmer was born in Lausen, Switzerland, the son of a chief justice also named Johann ...

(died

1898 Events January * January 1 – New York City annexes land from surrounding counties, creating the City of Greater New York as the world's second largest. The city is geographically divided into five boroughs: Manhattan, Brooklyn, Queen ...

Swiss Swiss most commonly refers to: * the adjectival form of Switzerland * Swiss people Swiss may also refer to: Places * Swiss, Missouri * Swiss, North Carolina * Swiss, West Virginia * Swiss, Wisconsin Other uses * Swiss Café, an old café located ...

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

. * May 4 –

Thomas Henry Huxley Thomas Henry Huxley (4 May 1825 – 29 June 1895) was an English biologist and anthropologist who specialized in comparative anatomy. He has become known as "Darwin's Bulldog" for his advocacy of Charles Darwin's theory of evolution. The stor ...

(died

1895 Events January * January 5 – Dreyfus affair: French officer Alfred Dreyfus is stripped of his army rank and sentenced to life imprisonment on Devil's Island (off French Guiana) on what is much later admitted to be a false charge of tr ...

), English

biologist A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual Cell (biology), cell, a multicellular organism, or a Community (ecology), community of Biological inter ...

. * May 9 – George Davidson (died

1911 Events January * January 1 – A decade after federation, the Northern Territory and the Australian Capital Territory are added to the Commonwealth of Australia. * January 3 ** 1911 Kebin earthquake: An earthquake of 7.7 m ...

), English-born geodesist,

astronomer An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galax ...

geographer A geographer is a physical scientist, social scientist or humanist whose area of study is geography, the study of Earth's natural environment and human society, including how society and nature interacts. The Greek prefix "geo" means "earth" a ...

, surveyor and engineer in the United States. * June 6 –

Friedrich Bayer Friedrich Bayer (born Friedrich Beyer, 6 June 1825 in Barmen now Wuppertal – 6 May 1880 in Würzburg) was the founder of what would become Bayer, a German chemical and pharmaceutical company. He founded the dyestuff factory ''Friedrich Bayer'' ...

(died

1880 Events January *January 27 – Thomas Edison is granted a patent for the incandescent light bulb. Edison filed for a US patent for an electric lamp using "a carbon filament or strip coiled and connected ... to platina contact wires." gr ...

), German manufacturing chemist. * September 4 –

Richard Maack Richard Otto Maack (; 4 September 1825 – 25 November 1886) was a Russian naturalist, geographer, and anthropologist. He is most known for his exploration of the Russian Far East and Siberia, particularly the Ussuri and Amur River valleys. ...

(died

1886 Events January * January 1 – Upper Burma is formally annexed to British rule in Burma, British Burma, following its conquest in the Third Anglo-Burmese War of November 1885. * January 5–January 9, 9 – Robert Louis Stevenson ...

), Russian naturalist, geographer, and anthropologist. * November 29 –

Jean-Martin Charcot Jean-Martin Charcot (; 29 November 1825 – 16 August 1893) was a French neurology, neurologist and professor of anatomical pathology. He worked on groundbreaking work about hypnosis and hysteria, in particular with his hysteria patient Louise A ...

(died

1893 Events January * January 2 – Webb C. Ball introduces railroad chronometers, which become the general railroad timepiece standards in North America. * January 6 – The Washington National Cathedral is chartered by Congress; th ...

French French may refer to: * Something of, from, or related to France ** French language, which originated in France ** French people, a nation and ethnic group ** French cuisine, cooking traditions and practices Arts and media * The French (band), ...

neurologist Neurology (from , "string, nerve" and the suffix -logia, "study of") is the branch of medicine dealing with the diagnosis and treatment of all categories of conditions and disease involving the nervous system, which comprises the brain, the ...

. * December 26 –

Felix Hoppe-Seyler Ernst Felix Immanuel Hoppe-Seyler (''né'' Felix Hoppe; 26 December 1825 – 10 August 1895) was a German physiologist and chemist, and the principal founder of the disciplines of biochemistry and molecular biology. He had discovered Yeast nuclei ...

(died 1895), German physiologist.

Deaths

* April 19 –

Marc-Auguste Pictet Marc-Auguste Pictet (; 23 July 1752 – 19 April 1825) was a Genevan scientific journalist and experimental natural philosopher. Pictet's main contribution to learning was his editing of the scientific section of the '' Bibliothèque Britanni ...

(born

1752 In the British Empire, it was the only year with 355 days (11 days were dropped), as September 3–13 were skipped when the Empire adoption of the Gregorian calendar, adopted the Gregorian calendar. Events January–March * January 1 ...

), Swiss scientific journalist and

natural philosopher Natural philosophy or philosophy of nature (from Latin ''philosophia naturalis'') is the philosophical study of physics, that is, nature and the physical universe, while ignoring any supernatural influence. It was dominant before the developme ...

. * June – William Higgins (born

1763 Events January–March * January 27 – The seat of colonial administration in the Viceroyalty of Brazil is moved from Salvador to Rio de Janeiro. * February 1 – The colonial authorities in the Province of North Carolin ...

), Irish

. * July 25 – John Gough (born

1757 Events January–March * January 2 – Seven Years' War: The British East India Company Army, under the command of Robert Clive, captures Calcutta, India. * January 5 – Robert-François Damiens makes an unsuccessful assa ...

), blind English

. * October 6 – Bernard Germain Étienne (born

1756 Events January–March * January 16 – The Anglo-Prussian alliance (1756)#Treaty, Treaty of Westminster is signed between Kingdom of Great Britain, Great Britain and Prussia, guaranteeing the neutrality of the Electorate of Hanover, c ...

), French

naturalist Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...

. * Maria Angela Ardinghelli (born

1730 Events January–March * January 30 (January 19 O.S.) – At dawn, Emperor Peter II of Russia dies of smallpox, aged 14 in Moscow, on the eve of his projected marriage. * February 26 (February 15 O.S.) – Anna of Russia ( ...

), Italian mathematician and physicist. *

John Templeton Sir John Marks Templeton (29 November 1912 – 8 July 2008) was an American-born British investor, banker, fund manager, and philanthropist. In 1954, he entered the mutual fund market and created the Templeton Growth Fund, which averaged gro ...

(born

1766 Events January–March * January 1 – Charles Edward Stuart ("Bonnie Prince Charlie") becomes the new House of Stuart, Stuart claimant to the throne of Great Britain, as King Charles III, and figurehead for Jacobitism. * Januar ...

), "father of Irish botany".

References

{{reflist 19th century in science 1820s in science