The year 1891 in

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.

Biology

* March 3 – Yellowstone Timberland Reserve, predecessor of Shoshone National Forest, in

Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...

is established as the first

United States National Forest In the United States, national forest is a classification of protected and managed federal lands that are largely forest and woodland areas. They are owned collectively by the American people through the federal government and managed by the ...

. * The

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

government sets aside Resolution Island in

Fiordland Fiordland (, "The Pit of Tattooing", and also translated as "the Shadowlands"), is a non-administrative geographical region of New Zealand in the south-western corner of the South Island, comprising the western third of Southland. Most of F ...

as a

nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, funga, or features of geologic ...

. * The

New York Botanical Garden The New York Botanical Garden (NYBG) is a botanical garden at Bronx Park in the Bronx, New York City. Established in 1891, it is located on a site that contains a landscape with over one million living plants; the Enid A. Haupt Conservatory, ...

is founded in

The Bronx The Bronx ( ) is the northernmost of the five Boroughs of New York City, boroughs of New York City, coextensive with Bronx County, in the U.S. state of New York (state), New York. It shares a land border with Westchester County, New York, West ...

largely due to the efforts of

Nathaniel Lord Britton Nathaniel Lord Britton (1859 – 1934) was an American botanist and taxonomist who co-founded the New York Botanical Garden in the Bronx, New York (state), New York. Early life Britton was born on the 15 of January 1859 at New Dorp, Staten Island ...

. * Jane Willis Kirkaldy and Catherine Pollard become the first women to sit final examinations in biology at the

University of Oxford The University of Oxford is a collegiate university, collegiate research university in Oxford, England. There is evidence of teaching as early as 1096, making it the oldest university in the English-speaking world and the List of oldest un ...

(and achieve first class honours).

Chemistry

* Agnes Pockels first publishes the results of her researches into

surface tension Surface tension is the tendency of liquid surfaces at rest to shrink into the minimum surface area possible. Surface tension (physics), tension is what allows objects with a higher density than water such as razor blades and insects (e.g. Ge ...

. * The

Fischer projection In chemistry, the Fischer projection, devised by Emil Fischer in 1891, is a two-dimensional representation of a three-dimensional organic molecule by projection. Fischer projections were originally proposed for the depiction of carbohydrates a ...

is devised by German chemist

Hermann Emil Fischer Hermann Emil Louis Fischer (; 9 October 1852 – 15 July 1919) was a German chemist and List of Nobel laureates in Chemistry, 1902 recipient of the Nobel Prize in Chemistry. He discovered the Fischer esterification. He also developed the Fisch ...

Geology

* Hans Reusch describes what comes to be known as

Reusch's Moraine The Smalfjord diamictite, Bigganjargga Tillite or Reusch's Moraine is a diamictite in Finnmark, northern Norway. The rock was first identified as a tillite by Hans Reusch in 1891, hence its name. The tillite overlies sandstone whose contact surfa ...

in northern Norway;

tillite image:Geschiebemergel.JPG, Closeup of glacial till. Note that the larger grains (pebbles and gravel) in the till are completely surrounded by the matrix of finer material (silt and sand), and this characteristic, known as ''matrix support'', is d ...

from a Precambrian glaciation.

Environment

*The

Japan Meteorological Agency The Japan Meteorological Agency (JMA; ''気象庁, Kishō-chō'') is a division of the Ministry of Land, Infrastructure, Transport and Tourism dedicated to the Scientific, scientific observation and research of natural phenomena. Headquartered ...

begins taking records of the global average temperature.

Mathematics

* Fyodorov–Schoenflies theorem concluded by Yevgraf Fyodorov and

Arthur Schoenflies Arthur Moritz Schoenflies (; 17 April 1853 – 27 May 1928), sometimes written as Schönflies, was a German mathematician, known for his contributions to the application of group theory to crystallography, and for work in topology. Schoenflies ...

from their work on

crystallographic group In mathematics, physics and chemistry, a space group is the symmetry group of a repeating pattern in space, usually in three dimensions. The elements of a space group (its symmetry operations) are the rigid transformations of the pattern that ...

s. *

Édouard Lucas __NOTOC__ François Édouard Anatole Lucas (; 4 April 1842 – 3 October 1891) was a French mathematician. Lucas is known for his study of the Fibonacci sequence. The related Lucas sequences and Lucas numbers are named after him. Biography Luc ...

first formulates the ménage problem.

Paleontology

* October – Eugène Dubois finds the first fragmentary bones of ''Pithecanthropus erectus'' (later redesignated ''Homo erectus''), or '

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

Man', at Trinil on the

Solo River The Solo River (known in Indonesian as the Bengawan Solo, with ''Bengawan'' being an Old Javanese word for ''river'', and ''Solo'' derived from the old name for Surakarta) is the longest river in the Indonesian island of Java. It is approximately ...

Physiology and medicine

* Julius Ludwig August Koch begins publication of
Die psychopathischen Minderwertigkeiten
' in

Ravensburg Ravensburg ( or ; Swabian: ''Raveschburg'') is a city in Upper Swabia in Southern Germany, capital of the district of Ravensburg, Baden-Württemberg. Ravensburg was first mentioned in 1088. In the Middle Ages, it was an Imperial Free City and ...

, introducing the concept of

psychopathology Psychopathology is the study of mental illness. It includes the signs and symptoms of all mental disorders. The field includes Abnormal psychology, abnormal cognition, maladaptive behavior, and experiences which differ according to social norms ...

. *

Arnold Pick Arnold Pick (20 July 1851 – 4 April 1924) was a Czech- German psychiatrist. He is known for first describing clinical features of frontotemporal dementia between 1892 and 1906. The disorder he described was given the name ''Pick's disease'' in ...

first uses the term ''

dementia praecox Dementia praecox (meaning a "premature dementia" or "precocious madness") is a disused psychiatric diagnosis that originally designated a chronic, deteriorating psychotic disorder characterized by rapid cognitive disintegration, usually beginnin ...

'' in this form. *

Heinrich Wilhelm Gottfried von Waldeyer-Hartz Heinrich Wilhelm Gottfried von Waldeyer-Hartz (6 October 1836 – 23 January 1921) was a German anatomist, known for summarizing neuron theory and for naming the chromosome. He is also remembered by anatomical structures of the human body which ...

names the

neuron A neuron (American English), neurone (British English), or nerve cell, is an membrane potential#Cell excitability, excitable cell (biology), cell that fires electric signals called action potentials across a neural network (biology), neural net ...

. *

Myxedema Myxedema () is a term used synonymously with severe hypothyroidism, but also to describe a dermatological change that can occur in hypothyroidism and (rare) paradoxical cases of hyperthyroidism. In this latter sense, myxedema refers to depositi ...

is first treated successfully, by George Redmayne Murray using thyroid extract. * The earliest recorded attempt at hip replacement is carried out by Themistocles Gluck in

Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...

, using

ivory Ivory is a hard, white material from the tusks (traditionally from elephants) and Tooth, teeth of animals, that consists mainly of dentine, one of the physical structures of teeth and tusks. The chemical structure of the teeth and tusks of mamm ...

to replace the

femoral head The femoral head (femur head or head of the femur) is the highest part of the thigh bone (femur The femur (; : femurs or femora ), or thigh bone is the only long bone, bone in the thigh — the region of the lower limb between the hip and the ...

. * Viennese pathologist Hans Chiari describes a form of Chiari malformation.

Technology

* March 10 – Almon B. Strowger, an undertaker in

Topeka, Kansas Topeka ( ) is the capital city of the U.S. state of Kansas and the county seat of Shawnee County. It is along the Kansas River in the central part of Shawnee County, in northeastern Kansas, in the Central United States. As of the 2020 cen ...

, is granted a

patent A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an sufficiency of disclosure, enabling discl ...

in the United States for an

automatic telephone exchange A telephone exchange, telephone switch, or central office is a central component of a telecommunications system in the public switched telephone network (PSTN) or in large enterprises. It facilitates the establishment of communication circuits ...

using the

Strowger switch The Strowger switch is the first commercially successful electromechanical stepping switch telephone exchange system. It was developed by the Strowger Automatic Telephone Exchange Company founded in 1891 by Almon Brown Strowger. Based on its ...

. * May 20 – First public demonstration of the

Kinetograph The Kinetoscope is an early motion picture exhibition device, designed for films to be viewed by one person at a time through a peephole viewer window. The Kinetoscope was not a movie projector, but it introduced the basic approach that woul ...

moving picture system developed by W. K. L. Dickson under the direction of

Thomas Alva Edison Thomas Alva Edison (February11, 1847October18, 1931) was an American inventor and businessman. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions ...

, a showing of the film known as ''

Dickson Greeting Dickson may refer to: People * Dickson (given name) * Dickson (surname) Places In Australia: * Dickson, Australian Capital Territory in Canberra * Dickson College in Canberra *Dickson Centre, Australian Capital Territory in Canberra * Division of ...

''. Edison files patents on the camera and peephole viewer on August 24. * Crompton & Co. introduce the electric kettle, in the United Kingdom. *

Michelin Michelin ( , ), in full ("General Company of the Michelin Enterprises P.L.S."), is a French multinational tyre manufacturing company based in Clermont-Ferrand in the Auvergne-Rhône-Alpes '' région'' of France. It is the second largest t ...

patent the removable pneumatic

bicycle tire A bicycle tire is a tire that fits on the Bicycle wheel, wheel of a bicycle or similar vehicle. These tires may also be used on tricycles, wheelchairs, and handcycles, frequently for Wheelchair racing, racing. Bicycle tires provide an importa ...

. * Panhard et Levassor produce the first ''Système Panhard''

automobile layout The powertrain layout of a motorised vehicle such as a car is often defined by the location of the engine or motors and the drive wheels. Layouts can roughly be divided into three categories: front-wheel drive (FWD), rear-wheel drive (RWD) and fo ...

, consisting of four wheels with front-engine, rear-wheel drive and a sliding-gear

transmission Transmission or transmit may refer to: Science and technology * Power transmission ** Electric power transmission ** Transmission (mechanical device), technology that allows controlled application of power *** Automatic transmission *** Manual tra ...

, designed by Émile Levassor. *

William Le Baron Jenney William Le Baron Jenney (September 25, 1832 – June 14, 1907) was an American architect and engineer known for building the first skyscraper in 1884. In 1998, Jenney was ranked number 89 in the book ''1,000 Years, 1,000 People: Ranking th ...

develops the construction of

steel frame Steel frame is a building technique with a "skeleton frame" of vertical steel columns and horizontal I-beams, constructed in a rectangular grid to support the floors, roof and walls of a building which are all attached to the frame. The develop ...

skyscraper A skyscraper is a tall continuously habitable building having multiple floors. Most modern sources define skyscrapers as being at least or in height, though there is no universally accepted definition, other than being very tall high-rise bui ...

s in

Chicago Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...

with the Ludington,

Manhattan Manhattan ( ) is the most densely populated and geographically smallest of the Boroughs of New York City, five boroughs of New York City. Coextensive with New York County, Manhattan is the County statistics of the United States#Smallest, larg ...

and Second Leiter Buildings. * The modern

taximeter A taximeter or fare meter is a mechanical or electronic device installed in taxicabs and auto rickshaws that calculates passenger fares based on a combination of distance travelled and waiting time. Its shortened form, "taxi", is also a meton ...

is invented by Friedrich Wilhelm Gustav Bruhn in Germany.

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 ...

Stanislao Cannizzaro Stanislao Cannizzaro ( , , ; 13 July 1826 – 10 May 1910) was an Italian chemist. He is famous for the Cannizzaro reaction and for his influential role in the atomic-weight deliberations of the Karlsruhe Congress in 1860. Biography Ca ...

Wollaston Medal The Wollaston Medal is a scientific award for geology and the highest award granted by the Geological Society of London, the oldest geological society in the world. The medal is named after William Hyde Wollaston, and was first awarded in 1831. I ...

for Geology: John Wesley Judd

Births

* January 8 –

Walther Bothe Walther Wilhelm Georg Bothe (; 8 January 1891 – 8 February 1957) was a German physicist who shared the 1954 Nobel Prize in Physics with Max Born "for the coincidence method and his discoveries made therewith". He served in the military durin ...

(died

1957 Events January * January 1 – The Saarland joins West Germany. * January 3 – Hamilton Watch Company introduces the first electric watch. * January 5 – South African player Russell Endean becomes the first batsman to be Dismissal (cricke ...

), German physicist, winner of the

Nobel Prize in Physics The Nobel Prize in Physics () is an annual award given by the Royal Swedish Academy of Sciences for those who have made the most outstanding contributions to mankind in the field of physics. It is one of the five Nobel Prizes established by the ...

(

1954 Events January * January 3 – The Italian broadcaster RAI officially begins transmitting. * January 7 – Georgetown–IBM experiment: The first public demonstration of a machine translation system is held in New York, at the head ...

). * January 26 –

Wilder Penfield Wilder Graves Penfield (January 26, 1891April 5, 1976) was an American-Canadian neurosurgeon. He expanded brain surgery's methods and techniques, including mapping the functions of various regions of the brain such as the cortical homunculus. ...

(died

1976 Events January * January 2 – The International Covenant on Economic, Social and Cultural Rights enters into force. * January 5 – The Pol Pot regime proclaims a new constitution for Democratic Kampuchea. * January 18 – Full diplomatic ...

), American-born

neurosurgeon Neurosurgery or neurological surgery, known in common parlance as brain surgery, is the medical specialty that focuses on the surgical treatment or rehabilitation of disorders which affect any portion of the nervous system including the brain, ...

. * April 22 –

Harold Jeffreys Sir Harold Jeffreys, FRS (22 April 1891 – 18 March 1989) was a British geophysicist who made significant contributions to mathematics and statistics. His book, ''Theory of Probability'', which was first published in 1939, played an importan ...

(died

1989 1989 was a turning point in political history with the "Revolutions of 1989" which ended communism in Eastern Bloc of Europe, starting in Poland and Hungary, with experiments in power-sharing coming to a head with the opening of the Berlin W ...

), English

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 15 – Fritz Feigl, (died

1971 * The year 1971 had three partial solar eclipses (Solar eclipse of February 25, 1971, February 25, Solar eclipse of July 22, 1971, July 22 and Solar eclipse of August 20, 1971, August 20) and two total lunar eclipses (February 1971 lunar eclip ...

), Austrian-born Brazilian chemist * July 5 –

John Howard Northrop John Howard Northrop (July 5, 1891 – May 27, 1987) was an American biochemist who, with James Batcheller Sumner and Wendell Meredith Stanley, won the 1946 Nobel Prize in Chemistry. The award was given for these scientists' isolation, crys ...

(suicide

1987 Events January * January 1 – Bolivia reintroduces the Boliviano currency. * January 2 – Chadian–Libyan conflict – Battle of Fada: The Military of Chad, Chadian army destroys a Libyan armoured brigade. * January 3 – Afghan leader ...

), American

biochemist Biochemists are scientists who are trained in biochemistry. They study chemical processes and chemical transformations in living organisms. Biochemists study DNA, proteins and Cell (biology), cell parts. The word "biochemist" is a portmanteau of ...

, winner of the

Nobel Prize in Chemistry The Nobel Prize in Chemistry () is awarded annually by the Royal Swedish Academy of Sciences to scientists in the various fields of chemistry. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895, awarded for outst ...

(

1946 1946 (Roman numerals, MCMXLVI) was a common year starting on Tuesday of the Gregorian calendar, the 1946th year of the Common Era (CE) and ''Anno Domini'' (AD) designations, the 946th year of the 2nd millennium, the 46th year of the 20th centur ...

) * July 27 – Jacob van der Hoeden, Dutch-Israeli veterinary scientist (died

1968 Events January–February * January 1968, January – The I'm Backing Britain, I'm Backing Britain campaign starts spontaneously. * January 5 – Prague Spring: Alexander Dubček is chosen as leader of the Communist Party of Cze ...

) * August 17 – Aly Tewfik Shousha (died

1964 Events January * January 1 – The Federation of Rhodesia and Nyasaland is dissolved. * January 5 – In the first meeting between leaders of the Roman Catholic and Orthodox churches since the fifteenth century, Pope Paul VI and Patria ...

Egyptian ''Egyptian'' describes something of, from, or related to Egypt. Egyptian or Egyptians may refer to: Nations and ethnic groups * Egyptians, a national group in North Africa ** Egyptian culture, a complex and stable culture with thousands of year ...

bacteriologist A bacteriologist is a microbiologist, or similarly trained professional, in bacteriology— a subdivision of microbiology that studies bacteria, typically Pathogenic bacteria, pathogenic ones. Bacteriologists are interested in studying and learnin ...

. * September 14 –

Ivan Matveyevich Vinogradov Ivan Matveevich Vinogradov ( rus, Ива́н Матве́евич Виногра́дов, p=ɪˈvan mɐtˈvʲejɪvʲɪtɕ vʲɪnɐˈɡradəf, a=Ru-Ivan_Matveyevich_Vinogradov.ogg; 14 September 1891 – 20 March 1983) was a Soviet mathematician ...

(died

1983 1983 saw both the official beginning of the Internet and the first mobile cellular telephone call. Events January * January 1 – The migration of the ARPANET to TCP/IP is officially completed (this is considered to be the beginning of the ...

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

n mathematician. * September 24 – W. F. Friedman (died

1969 1969 ( MCMLXIX) was a common year starting on Wednesday of the Gregorian calendar, the 1969th year of the Common Era (CE) and ''Anno Domini'' (AD) designations, the 969th year of the 2nd millennium, the 69th year of the 20th century, and the ...

Bessarabia Bessarabia () is a historical region in Eastern Europe, bounded by the Dniester river on the east and the Prut river on the west. About two thirds of Bessarabia lies within modern-day Moldova, with the Budjak region covering the southern coa ...

n-born

cryptanalyst Cryptanalysis (from the Greek ''kryptós'', "hidden", and ''analýein'', "to analyze") refers to the process of analyzing information systems in order to understand hidden aspects of the systems. Cryptanalysis is used to breach cryptographic se ...

. * October 24 – Ernest Melville DuPorte (died

1981 Events January * January 1 ** Greece enters the European Economic Community, predecessor of the European Union. ** Palau becomes a self-governing territory. * January 6 – A funeral service is held in West Germany for Nazi Grand Admiral ...

Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...

-born Canadian insect morphologist. * November 14 –

Frederick Banting Sir Frederick Grant Banting (November 14, 1891 – February 21, 1941) was a Canadian pharmacologist, orthopedist, and field surgeon. For his co-discovery of insulin and its therapeutic potential, Banting was awarded the Nobel Prize in Physi ...

(died

1941 The Correlates of War project estimates this to be the deadliest year in human history in terms of conflict deaths, placing the death toll at 3.49 million. However, the Uppsala Conflict Data Program estimates that the subsequent year, 1942, wa ...

Canadian Canadians () are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of their being ''C ...

discoverer of

insulin Insulin (, from Latin ''insula'', 'island') is a peptide hormone produced by beta cells of the pancreatic islets encoded in humans by the insulin (''INS)'' gene. It is the main Anabolism, anabolic hormone of the body. It regulates the metabol ...

, winner of the

Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine () is awarded yearly by the Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or medicine. The Nobel Prize is not a single prize, but five separate prizes that, acco ...

(

1923 In Greece, this year contained only 352 days as 13 days was skipped to achieve the calendrical switch from Julian to Gregorian Calendar. It happened there that Wednesday, 15 February ''(Julian Calendar)'' was followed by Thursday, 1 March ' ...

Deaths

* January 6 – Hugh Owen Thomas (born

1834 Events January–March * January 1 – Zollverein (Germany): Customs charges are abolished at borders within its member states. * January 3 – The government of Mexico imprisons Stephen F. Austin in Mexico City. * January – The W ...

), British

orthopaedic surgeon Orthopedic surgery or orthopedics ( alternative spelling orthopaedics) is the branch of surgery concerned with conditions involving the musculoskeletal system. Orthopedic surgeons use both surgical and nonsurgical means to treat musculoskeletal ...

. * February 10 –

Sofia Kovalevskaya Sofya Vasilyevna Kovalevskaya (; born Korvin-Krukovskaya; – 10 February 1891) was a Russian mathematician who made noteworthy contributions to analysis, partial differential equations and mechanics. She was a pioneer for women in mathematics a ...

(born

1850 Events January–March * January 29 – Henry Clay introduces the Compromise of 1850 to the United States Congress. * January 31 – The University of Rochester is founded in Rochester, New York. * January – Sacramento, Ca ...

), Russian

. * March 9 –

Amalie Dietrich Koncordie Amalie Dietrich (née Nelle) (26 May 1821 – 9 March 1891) was a Germans, German naturalist who was best known for her work in Australia from 1863 to 1872, collecting specimens for the Museum Godeffroy in Hamburg. Australia Dietrich w ...

(born

1821 Events January–March * January 21 – Peter I Island in the Antarctic is first sighted, by Fabian Gottlieb von Bellingshausen. * January 26 – Congress of Laibach convenes to deal with outstanding international issues, particularly ...

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 ...

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 ...

. * May 11 –

Edmond Becquerel Alexandre-Edmond Becquerel (; 24 March 1820 – 11 May 1891) was a French physicist who studied the solar spectrum, magnetism, electricity, and optics. In 1839, he discovered the photovoltaic effect, the operating principle of the solar cell, w ...

(born

1820 Events January–March *January 1 – A constitutionalist military insurrection at Cádiz leads to the summoning of the Spanish Parliament to meet on March 7, becoming the nominal beginning of the "Trienio Liberal" in History of Spain (1 ...

), French

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 ...

. * June 9 – Henry Edwards (born

1827 Events January–March * January 5 – The first regatta in Australia is held, taking place in Tasmania (called at the time ''Van Diemen's Land''), on the River Derwent at Hobart. * January 15 – Furman University, founded in 1826, b ...

), English-born American

entomologist Entomology (from Ancient Greek ἔντομον (''éntomon''), meaning "insect", and -logy from λόγος (''lógos''), meaning "study") is the branch of zoology that focuses on insects. Those who study entomology are known as entomologists. In ...

and actor. * June 23 ** Sir Norman Pogson (born

1829 Events January–March * January 19 – August Klingemann's adaptation of Johann Wolfgang von Goethe's '' Faust'' premieres in Braunschweig. * February 27 – Battle of Tarqui: Troops of Gran Colombia and Peru battle to a draw. * Marc ...

), English-born

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 ...

. **

Wilhelm Eduard Weber Wilhelm Eduard Weber ( ; ; 24 October 1804 – 23 June 1891) was a German physicist and, together with Carl Friedrich Gauss, inventor of the first electromagnetic telegraph. Biography Early years Weber was born in Schlossstrasse in Witte ...

(born

1804 Events January–March * January 1 – Haiti gains independence from France, and becomes the first black republic. * February 4 – The Sokoto Caliphate is founded in West Africa. * February 14 – The First Serbian uprising begins th ...

), German

. * August 30 –

Emanoil Bacaloglu Emanoil Bacaloglu (; – 30 August 1891) was a Wallachian and Romanian mathematician, physicist and chemist. Born in Bucharest and of Greeks of Romania, Greek origin, he studied physics and mathematics in Paris and Leipzig, later becoming a pro ...

(born

1830 It is known in European history as a rather tumultuous year with the Revolutions of 1830 in France, Belgium, Poland, Switzerland and Italy. Events January–March * January 11 – LaGrange College (later the University of North Alabama) ...

Romanian Romanian may refer to: *anything of, from, or related to the country and nation of Romania **Romanians, an ethnic group **Romanian language, a Romance language ***Romanian dialects, variants of the Romanian language **Romanian cuisine, traditional ...

polymath A polymath or polyhistor is an individual whose knowledge spans many different subjects, known to draw on complex bodies of knowledge to solve specific problems. Polymaths often prefer a specific context in which to explain their knowledge, ...

. * September 18 –

William Ferrel William Ferrel (January 29, 1817 – September 18, 1891) was an American meteorologist who developed theories that explained the mid-latitude atmospheric circulation cell in detail, and it is after him that the Ferrel cell is named. Biography F ...

(born

1817 Events January–March * January 1 – Sailing through the Sandwich Islands, Otto von Kotzebue discovers New Year Island. * January 19 – An army of 5,423 soldiers, led by General José de San Martín, starts crossing t ...

), American

meteorologist A meteorologist is a scientist who studies and works in the field of meteorology aiming to understand or predict Earth's atmosphere of Earth, atmospheric phenomena including the weather. Those who study meteorological phenomena are meteorologists ...

. * October 3 –

(born

1842 Events January–March * January 6– 13 – First Anglo-Afghan War – Massacre of Elphinstone's army (Battle of Gandamak): British East India Company troops are destroyed by Afghan forces on the road from Kabul to Jalalabad, Afghan ...

), French mathematician. * November 18 –

Joseph Wolstenholme Joseph Wolstenholme (30 September 1829 – 18 November 1891) was an United Kingdom, English mathematician. Wolstenholme was born in Eccles, Greater Manchester, Eccles near Salford, Greater Manchester, Salford, Lancashire, England, the son of a M ...

(born 1829), English mathematician. * December 21 – William Cavendish, 7th Duke of Devonshire (born 1808 in science, 1808), English landowner and promoter of science.

References

{{reflist 1891 in science, 19th century in science 1890s in science