The year 1915 involved numerous significant events 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 ...
, some of which are listed below.
Astronomy
* January – British physicist Sir
Joseph Larmor
Sir Joseph Larmor (; 11 July 1857 – 19 May 1942) was an Irish mathematician and physicist who made breakthroughs in the understanding of electricity, dynamics, thermodynamics, and the electron theory of matter. His most influential work was ...
publishes his observations on "The Influence of Local Atmospheric Cooling on Astronomical Refraction".
* March 19 –
Pluto
Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of Trans-Neptunian object, bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Su ...
is photographed for the first time but is not classified as a
planet
A planet is a large, Hydrostatic equilibrium, rounded Astronomical object, astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself. The Solar System has eight planets b ...
.
*
Einstein's new theory of
general relativity
General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the differential geometry, geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of grav ...
is used to explain
Mercury's strange motions that baffled
Urbain Le Verrier
Urbain Jean Joseph Le Verrier (; 11 March 1811 – 23 September 1877) was a French astronomer and mathematician who specialized in celestial mechanics and is best known for predicting the existence and position of Neptune using only mathematics. ...
.
*
Robert Innes discovers
Proxima Centauri
Proxima Centauri is the nearest star to Earth after the Sun, located 4.25 light-years away in the southern constellation of Centaurus. This object was discovered in 1915 by Robert T. A. Innes, Robert Innes. It is a small, low-mass st ...
, the closest star to Earth after the Sun.
Chemistry
*
Alice Ball discovers how to make
Chaulmoogra
''Hydnocarpus pentandrus'' (previously ''Hydnocarpus wightianus'') or chaulmoogra is a medium-sized tree in the family Achariaceae. This dioecious tree grows up to 10m height, in moist deciduous forests of Western Ghats in India.
''Hydnocarpu ...
tree oil water-soluble, which makes it usable for patients with
leprosy
Leprosy, also known as Hansen's disease (HD), is a Chronic condition, long-term infection by the bacteria ''Mycobacterium leprae'' or ''Mycobacterium lepromatosis''. Infection can lead to damage of the Peripheral nervous system, nerves, respir ...
in Hawai'i.
*
Thomas Lyle Williams produces the
mascara
Mascara (, ) is a Cosmetics, cosmetic commonly used to enhance the upper and lower eyelashes. It is used to darken, thicken, lengthen, and/or define the eyelashes. Normally in one of three forms—liquid, powder, or cream—the modern mascara p ...
Maybelline
Maybelline New York (formerly The Maybelline Company and Mabelline and Co.), trading as and commonly known as simply Maybelline ( ), is an American multinational cosmetics, skin care, perfume, and personal care company, based in New York City. ...
.
Earth sciences
* May 22 –
Lassen Peak
Lassen Peak ( ), commonly referred to as Mount Lassen, is a lava dome volcano in Lassen Volcanic National Park in Northern California. Located in the Shasta Cascade region above the northern Sacramento Valley, it is the southernmost active vo ...
, one of the
Cascade Volcanoes
The Cascade Volcanoes (also known as the Cascade Volcanic Arc or the Cascade Arc) are a number of volcanoes in a continental volcanic arc in western North America, extending from southwestern British Columbia through Washington and Oregon to No ...
in
Northern California
Northern California (commonly shortened to NorCal) is a geocultural region that comprises the northern portion of the U.S. state of California, spanning the northernmost 48 of the state's List of counties in California, 58 counties. Northern Ca ...
, erupts, sending an ash plume 30,000 feet in the air and devastating the nearby area with
pyroclastic flow
A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average speeds of b ...
s and
lahar
A lahar (, from ) is a violent type of mudflow or debris flow composed of a slurry of Pyroclastic rock, pyroclastic material, rocky debris and water. The material flows down from a volcano, typically along a valley, river valley.
Lahars are o ...
s. It is the only volcano to erupt in the
contiguous United States
The contiguous United States, also known as the U.S. mainland, officially referred to as the conterminous United States, consists of the 48 adjoining U.S. states and the District of Columbia of the United States in central North America. The te ...
between 1900 and 1980.
*
Alfred Wegener
Alfred Lothar Wegener (; ; 1 November 1880 – November 1930) was a German climatologist, geologist, geophysicist, meteorologist, and polar researcher.
During his lifetime he was primarily known for his achievements in meteorology and ...
publishes his
theory
A theory is a systematic and rational form of abstract thinking about a phenomenon, or the conclusions derived from such thinking. It involves contemplative and logical reasoning, often supported by processes such as observation, experimentation, ...
of
Pangea
Pangaea or Pangea ( ) was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It assembled from the earlier continental units of Gondwana, Euramerica and Siberia (continent), Siberia during the Carboniferous period ...
, which he calls ''Urkontinent''.
Paleontology
* The new
theropod
Theropoda (; from ancient Greek , (''therion'') "wild beast"; , (''pous, podos'') "foot"">wiktionary:ποδός"> (''pous, podos'') "foot" is one of the three major groups (clades) of dinosaurs, alongside Ornithischia and Sauropodom ...
dinosaur genus and species ''
Spinosaurus
''Spinosaurus'' (; ) is a genus of large spinosaurid theropod dinosaurs that lived in what now is North Africa during the Cenomanian faunal stage, stage of the Late Cretaceous Period (geology), period, about 100 to 94 annum, million year ...
aegyptiacus'' is assigned by German paleontologist
Ernst Stromer
Ernst Freiherr Stromer von Reichenbach (born on 12th of June, 1871 in Nürnberg, died on 18th of December, 1952 in Erlangen) was a German paleontologist best remembered for his expedition to Egypt, during which the discovery of the first kno ...
.
Life sciences
* January –
Mildred Hoge publishes her discovery of the gene (much later identified as
PAX6) responsible for development of the eye.
* A global
pandemic
A pandemic ( ) is an epidemic of an infectious disease that has a sudden increase in cases and spreads across a large region, for instance multiple continents or worldwide, affecting a substantial number of individuals. Widespread endemic (epi ...
of
encephalitis lethargica
Encephalitis lethargica (EL) is an atypical form of encephalitis. Also known as "von Economo Encephalitis", "sleeping sickness" or "sleepy sickness" (distinct from tsetse fly–transmitted sleeping sickness), it was first described in 1917 by ne ...
begins.
*
Trench nephritis is first reported as affecting soldiers of the
British Expeditionary Force in Flanders in the ''
British Medical Journal
''The BMJ'' is a fortnightly peer-reviewed medical journal, published by BMJ Publishing Group Ltd, which in turn is wholly-owned by the British Medical Association (BMA). ''The BMJ'' has editorial freedom from the BMA. It is one of the world ...
''; the name is coined by
Nathan Raw.
*
Walter Bradford Cannon
Walter Bradford Cannon (October 19, 1871 – October 1, 1945) was an American physiologist, professor and chairman of the Department of Physiology at Harvard Medical School. He coined the term " fight or flight response", and developed the theory ...
coins the term ''
fight or flight'' to describe an animal's response to threats.
*
Thomas Hunt Morgan
Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) was an Americans, American evolutionary biologist, geneticist, Embryology, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries e ...
, demonstrates non-inherited
genetic mutation
In biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. Viral genomes contain either DNA or RNA. Mutations result from errors during DNA or viral replication, mitosis ...
(in ''
Drosophila melanogaster
''Drosophila melanogaster'' is a species of fly (an insect of the Order (biology), order Diptera) in the family Drosophilidae. The species is often referred to as the fruit fly or lesser fruit fly, or less commonly the "vinegar fly", "pomace fly" ...
''), undermining the conceptual basis of
eugenics
Eugenics is a set of largely discredited beliefs and practices that aim to improve the genetic quality of a human population. Historically, eugenicists have attempted to alter the frequency of various human phenotypes by inhibiting the fer ...
.
*
Reginald Punnett
Reginald Crundall Punnett FRS (; 20 June 1875 – 3 January 1967) was a British geneticist who co-founded, with William Bateson, the ''Journal of Genetics'' in 1910. Punnett is probably best remembered today as the creator of the Punnett ...
's ''Mimicry in Butterflies'' is published in Cambridge (U.K.)
*
Clara H. Hasse publishes a paper identifying the cause of
citrus canker
Citrus canker is a disease affecting ''Citrus'' species caused by the bacterium '' Xanthomonas citri''. Infection causes lesions on the leaves, stems, and fruit of citrus trees, including lime, oranges, and grapefruit. While not harmful to huma ...
which leads to the development of methods for controlling the disease, saving the
citrus
''Citrus'' is a genus of flowering trees and shrubs in the family Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, mandarins, lemons, grapefruits, pomelos, and limes.
''Citrus'' is nativ ...
crops in the
southern United States
The Southern United States (sometimes Dixie, also referred to as the Southern States, the American South, the Southland, Dixieland, or simply the South) is List of regions of the United States, census regions defined by the United States Cens ...
from being wiped out.
Mathematics
*
Emmy Noether
Amalie Emmy Noether (23 March 1882 – 14 April 1935) was a German mathematician who made many important contributions to abstract algebra. She also proved Noether's theorem, Noether's first and Noether's second theorem, second theorems, which ...
proves
her theorem that any
differentiable
In mathematics, a differentiable function of one real variable is a function whose derivative exists at each point in its domain. In other words, the graph of a differentiable function has a non- vertical tangent line at each interior point in ...
symmetry
Symmetry () in everyday life refers to a sense of harmonious and beautiful proportion and balance. In mathematics, the term has a more precise definition and is usually used to refer to an object that is Invariant (mathematics), invariant und ...
of the
action
Action may refer to:
* Action (philosophy), something which is done by a person
* Action principles the heart of fundamental physics
* Action (narrative), a literary mode
* Action fiction, a type of genre fiction
* Action game, a genre of video gam ...
of a physical system has a corresponding
conservation law
In physics, a conservation law states that a particular measurable property of an isolated physical system does not change as the system evolves over time. Exact conservation laws include conservation of mass-energy, conservation of linear momen ...
.
*
Wacław Sierpiński
Wacław Franciszek Sierpiński (; 14 March 1882 – 21 October 1969) was a Polish mathematician. He was known for contributions to set theory (research on the axiom of choice and the continuum hypothesis), number theory, theory of functions ...
describes the
Sierpinski triangle.
Physics
* August –
Ada Hitchins
Ada Florence Remfry Hitchins (26 June 1891 – 4 January 1972) was the principal research assistant of British chemist Frederick Soddy, who won the Nobel prize in 1921 for work on radioactive elements and the theory of isotopes. Hitchins isola ...
' experimental results indicating that
radium
Radium is a chemical element; it has chemical symbol, symbol Ra and atomic number 88. It is the sixth element in alkaline earth metal, group 2 of the periodic table, also known as the alkaline earth metals. Pure radium is silvery-white, ...
is formed by the decay of
uranium
Uranium is a chemical element; it has chemical symbol, symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Ura ...
are published.
* November 25 –
Albert Einstein
Albert Einstein (14 March 187918 April 1955) was a German-born theoretical physicist who is best known for developing the theory of relativity. Einstein also made important contributions to quantum mechanics. His mass–energy equivalence f ...
presents to the
Prussian Academy of Sciences
The Royal Prussian Academy of Sciences () was an academy established in Berlin, Germany on 11 July 1700, four years after the Prussian Academy of Arts, or "Arts Academy," to which "Berlin Academy" may also refer. In the 18th century, when Frenc ...
the
Einstein field equations
In the General relativity, general theory of relativity, the Einstein field equations (EFE; also known as Einstein's equations) relate the geometry of spacetime to the distribution of Matter#In general relativity and cosmology, matter within it. ...
of
general relativity
General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the differential geometry, geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of grav ...
. He abandons his
hole argument for general relativity.
*
Arnold Sommerfeld
Arnold Johannes Wilhelm Sommerfeld (; 5 December 1868 – 26 April 1951) was a German Theoretical physics, theoretical physicist who pioneered developments in Atomic physics, atomic and Quantum mechanics, quantum physics, and also educated and ...
develops a modified
Bohr atomic model with elliptic orbits to explain relativistic
fine structure
In atomic physics, the fine structure describes the splitting of the spectral lines of atoms due to electron spin and relativistic corrections to the non-relativistic Schrödinger equation. It was first measured precisely for the hydrogen atom ...
.
Psychology
*
Danish psychologist
A psychologist is a professional who practices psychology and studies mental states, perceptual, cognitive, emotional, and social processes and behavior. Their work often involves the experimentation, observation, and explanation, interpretatio ...
Edgar Rubin publishes ''Synsoplevede Figurer'' ("Visual Figures") introducing the
optical illusion
In visual perception, an optical illusion (also called a visual illusion) is an illusion caused by the visual system and characterized by a visual perception, percept that arguably appears to differ from reality. Illusions come in a wide varie ...
which becomes known as the
Rubin vase
The Rubin vase (sometimes known as Rubin's vase, the Rubin face or the figure–ground vase) is a famous example of ambiguous or bi-stable (i.e., reversing) two-dimensional forms developed around 1915 by the Danish psychologist Edgar Rubin.
...
.
Technology
* January 19 –
Georges Claude
Georges Claude (24 September 187023 May 1960) was a French engineer and inventor. He is noted for his early work on the industrial liquefaction of air, for the invention and commercialization of neon lighting, and for a large experiment on gener ...
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 ...
s the
neon
Neon is a chemical element; it has symbol Ne and atomic number 10. It is the second noble gas in the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with approximately two-thirds the density of ...
discharge tube for use in
advertising
Advertising is the practice and techniques employed to bring attention to a Product (business), product or Service (economics), service. Advertising aims to present a product or service in terms of utility, advantages, and qualities of int ...
.
* February 4 – John G. A. Kitchen patents the
reversing rudder.
* March 3 – The
National Advisory Committee for Aeronautics
The National Advisory Committee for Aeronautics (NACA) was a United States federal agency that was founded on March 3, 1915, to undertake, promote, and institutionalize aeronautical research. On October 1, 1958, the agency was dissolved and its ...
, the predecessor of
NASA
The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...
, is established in the United States.
* July 1 – First use of
synchronization gear
A synchronization gear (also known as a gun synchronizer or interrupter gear) was a device enabling a single-engine tractor configuration aircraft to fire its forward-firing armament through the arc of its spinning Propeller (aeronautics), propel ...
in
aerial warfare
Aerial warfare is the use of military aircraft and other flying machines in warfare. Aerial warfare includes bombers attacking tactical bombing, enemy installations or a concentration of enemy troops or Strategic bombing, strategic targets; fi ...
.
* August –
Brodie helmet
The Brodie helmet is a steel combat helmet designed and patented in London in 1915 by Latvian inventor John Leopold Brodie (). A modified form of it became the Helmet, Steel, Mark I in Britain and the M1917 Helmet in the US. Colloquially, it wa ...
patented in the United Kingdom.
* September 9 –
William Foster & Co. of
Lincoln, England
Lincoln () is a cathedral city and non-metropolitan district, district in Lincolnshire, England, of which it is the county town. In the 2021 Census, the city's district had a population of 103,813. The 2021 census gave the Lincoln Urban Area, u ...
, complete the first prototype
military tank "
Little Willie
Little Willie was a prototype in the development of the British Mark I tank. Constructed in the autumn of 1915 at the behest of the Landship Committee, it was the first completed tank prototype in history. ''Little Willie'' is the oldest surv ...
".
*
Max Fleischer
Max Fleischer (born Majer Fleischer ; July 19, 1883 – September 11, 1972) was an American animator and studio owner. Born in Kraków, in Austrian Poland, Fleischer immigrated to the United States where he became a pioneer in the development ...
invents the
rotoscoping
Rotoscoping is an animation technique that animators use to trace over motion picture footage, frame by frame, to produce realistic action. Originally, live-action film images were projected onto a glass panel and traced onto paper. This pr ...
film
animation
Animation is a filmmaking technique whereby still images are manipulated to create moving images. In traditional animation, images are drawn or painted by hand on transparent celluloid sheets to be photographed and exhibited on film. Animati ...
process in the United States.
*
Wolfgang Gaede
Wolfgang Max Paul Gaede (25 May 1878 – 24 June 1945) was a German physicist and pioneer of vacuum engineering.
Life
Gaede was born in Lehe, Bremerhaven, Lehe, Bremerhaven, the son of Prussian Colonel Karl Gaede and Amalia, nee Renf. In 189 ...
invents the
diffusion pump
Diffusion pumps use a high speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. They were the first type of high vacuum pumps operating in the regime of free molecular flow, where the ...
.
*
William Mills patents, develops and manufactures the
Mills bomb
"Mills bomb" is the popular name for a series of British hand grenades which were designed by William Mills. They were the first modern fragmentation grenades used by the British Army and saw widespread use in the First and Second World Wars ...
, a
hand grenade
A grenade is a small explosive weapon typically thrown by hand (also called hand grenade), but can also refer to a Shell (projectile), shell (explosive projectile) shot from the muzzle of a rifle (as a rifle grenade) or a grenade launcher. A mod ...
, at the Mills Munition Factory in
Birmingham
Birmingham ( ) is a City status in the United Kingdom, city and metropolitan borough in the metropolitan county of West Midlands (county), West Midlands, within the wider West Midlands (region), West Midlands region, in England. It is the Lis ...
, England.
[ U.S. copy of the 1915/1916 Mills grenade patent.]
*
Dagobert Müller von Thomamühl
Dagobert Müller von Thomamühl (born 24 June 1880 in Trieste, died 10 January 1956 in Klagenfurt) was an Austrian naval officer and inventor.
Life
Dagobert Müller-Thomamühl attended from 1890 to 1895 the secondary school in Pula and from 18 ...
produces a form of
hovercraft
A hovercraft (: hovercraft), also known as an air-cushion vehicle or ACV, is an amphibious craft capable of travelling over land, water, mud, ice, and various other surfaces.
Hovercraft use blowers to produce a large volume of air below the ...
.
Awards
*
Nobel Prize
The Nobel Prizes ( ; ; ) are awards administered by the Nobel Foundation and granted in accordance with the principle of "for the greatest benefit to humankind". The prizes were first awarded in 1901, marking the fifth anniversary of Alfred N ...
**
Physics
Physics is the scientific study of matter, its Elementary particle, 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 whi ...
– Sir
William Henry Bragg
Sir William Henry Bragg (2 July 1862 – 12 March 1942) was an English physicist and X-ray crystallographer who uniquelyThis is still a unique accomplishment, because no other parent-child combination has yet shared a Nobel Prize (in any fiel ...
and Sir
William Lawrence Bragg
Sir William Lawrence Bragg (31 March 1890 – 1 July 1971) was an Australian-born British physicist who shared the 1915 Nobel Prize in Physics with his father William Henry Bragg "for their services in the analysis of crystal structure by ...
**
Chemistry
Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...
–
Richard Martin Willstätter
Births
* January 11 –
Lucille Farrier Stickel (died
2007
2007 was designated as the International Heliophysical Year and the International Polar Year.
Events
January
* January 1
**Bulgaria and Romania 2007 enlargement of the European Union, join the European Union, while Slovenia joins the Eur ...
), American wildlife toxicologist.
* February 26 –
Wang Daheng
Wang Daheng (; 26 February 1915 – 21 July 2011) was a Chinese optical physicist, engineer, and inventor widely considered the "father of optical engineering" in China. He was a founding academician of both the Chinese Academy of Sciences and th ...
(died
2011
The year marked the start of a Arab Spring, series of protests and revolutions throughout the Arab world advocating for democracy, reform, and economic recovery, later leading to the depositions of world leaders in Tunisia, Egypt, and Yemen ...
), Chinese optical physicist.
* February 28 –
Peter Medawar
Sir Peter Brian Medawar (; 28 February 1915 – 2 October 1987) was a British biologist and writer, whose works on graft rejection and the discovery of acquired immune tolerance have been fundamental to the medical practice of tissue and organ ...
(died
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 ...
), Brazilian-born British biologist, co-recipient 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 ...
(
1960
It is also known as the "Year of Africa" because of major events—particularly the independence of seventeen African nations—that focused global attention on the continent and intensified feelings of Pan-Africanism.
Events January
* Janu ...
) for his work in
immunology
Immunology is a branch of biology and medicine that covers the study of Immune system, immune systems in all Organism, organisms.
Immunology charts, measures, and contextualizes the Physiology, physiological functioning of the immune system in ...
.
* March 15 –
Laurent Schwartz
Laurent-Moïse Schwartz (; 5 March 1915 – 4 July 2002) was a French mathematician. He pioneered the theory of Distribution (mathematics), distributions, which gives a well-defined meaning to objects such as the Dirac delta function. He was awar ...
(died
2002
The effects of the September 11 attacks of the previous year had a significant impact on the affairs of 2002. The war on terror was a major political focus. Without settled international law, several nations engaged in anti-terror operation ...
), French
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 ...
.
* March 16 –
Kunihiko Kodaira
was a Japanese mathematician known for distinguished work in algebraic geometry and the theory of complex manifolds, and as the founder of the Japanese school of algebraic geometers. He was awarded a Fields Medal in 1954, being the first Japanese ...
(died
1997
Events January
* January 1 – The Emergency Alert System is introduced in the United States.
* January 11 – Turkey threatens Cyprus on account of a deal to buy Russian S-300 missiles, prompting the Cypriot Missile Crisis.
* January 1 ...
), Japanese mathematician.
* May 30 –
Henry Aaron Hill (died
1979
Events
January
* January 1
** United Nations Secretary-General Kurt Waldheim heralds the start of the ''International Year of the Child''. Many musicians donate to the ''Music for UNICEF Concert'' fund, among them ABBA, who write the song ...
), American fluorocarbon chemist and first
African American
African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
president of the
American Chemical Society
The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 155,000 members at all ...
.
* June 15
**
Thomas Huckle Weller (died
2008
2008 was designated as:
*International Year of Languages
*International Year of Planet Earth
*International Year of the Potato
*International Year of Sanitation
The Great Recession, a worldwide recession which began in 2007, continued throu ...
), American
virologist
Virology is the scientific study of biological viruses. It is a subfield of microbiology that focuses on their detection, structure, classification and evolution, their methods of infection and exploitation of host cells for reproduction, the ...
and co-recipient of the Nobel Prize in Physiology or Medicine (
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 ...
) for his work on
polio
Poliomyelitis ( ), commonly shortened to polio, is an infectious disease caused by the poliovirus. Approximately 75% of cases are asymptomatic; mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe ...
.
**
Xu Ruiyun (suicide
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 ...
), Chinese mathematician.
* June 19 –
Katherine Sanford (died
2005
2005 was designated as the International Year for Sport and Physical Education and the International Year of Microcredit. The beginning of 2005 also marked the end of the International Decade of the World's Indigenous Peoples, Internationa ...
), American cell biologist.
* June 24 –
Fred Hoyle
Sir Fred Hoyle (24 June 1915 – 20 August 2001) was an English astronomer who formulated the theory of stellar nucleosynthesis and was one of the authors of the influential B2FH paper, B2FH paper. He also held controversial stances on oth ...
(died
2001
The year's most prominent event was the September 11 attacks against the United States by al-Qaeda, which Casualties of the September 11 attacks, killed 2,977 people and instigated the global war on terror. The United States led a Participan ...
), English
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 ...
and
science fiction
Science fiction (often shortened to sci-fi or abbreviated SF) is a genre of speculative fiction that deals with imaginative and futuristic concepts. These concepts may include information technology and robotics, biological manipulations, space ...
writer.
* July 28 –
Charles Hard Townes (died
2015
2015 was designated by the United Nations as:
* International Year of Light
* International Year of Soil __TOC__
Events
January
* January 1 – Lithuania officially adopts the euro as its currency, replacing the litas, and becomes ...
), American
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 ...
and co-recipient 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 ...
(
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 ...
) for developing the
maser
A maser is a device that produces coherent electromagnetic waves ( microwaves), through amplification by stimulated emission. The term is an acronym for microwave amplification by stimulated emission of radiation. Nikolay Basov, Alexander Pr ...
.
* October 1 –
Jerome Bruner
Jerome Seymour Bruner (October 1, 1915 – June 5, 2016) was an American psychologist who made significant contributions to human cognitive psychology and cognitive learning theory (education), learning theory in educational psychology. Bruner was ...
(died
2016
2016 was designated as:
* International Year of Pulses by the sixty-eighth session of the United Nations General Assembly.
* International Year of Global Understanding (IYGU) by the International Council for Science (ICSU), the Internationa ...
), American
developmental
Development of the human body is the process of growth to maturity. The process begins with fertilization, where an egg released from the ovary of a female is penetrated by a sperm cell from a male. The resulting zygote develops through mitosis ...
and
educational psychologist
An educational psychologist is a psychologist whose differentiating functions may include diagnostic and psycho-educational assessment, psychological counseling in educational communities ( students, teachers, parents, and academic authorit ...
.
* October 26 –
Lu Jiaxi (died
2001
The year's most prominent event was the September 11 attacks against the United States by al-Qaeda, which Casualties of the September 11 attacks, killed 2,977 people and instigated the global war on terror. The United States led a Participan ...
), Chinese physical chemist.
* November 18 –
Tang Aoqing (died
2008
2008 was designated as:
*International Year of Languages
*International Year of Planet Earth
*International Year of the Potato
*International Year of Sanitation
The Great Recession, a worldwide recession which began in 2007, continued throu ...
), Chinese quantum chemist.
* November 30 –
Henry Taube
Henry Taube (November 30, 1915 – November 16, 2005) was a Canadian-born American chemist who was awarded the 1983 Nobel Prize in Chemistry for "his work in the mechanisms of electron-transfer reactions, especially in metal complexes." He ...
(died 2005), Canadian-born recipient 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 ...
(
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 ...
).
* December 5 –
Ren Xinmin (died
2017
2017 was designated as the International Year of Sustainable Tourism for Development by the United Nations General Assembly.
Events January
* January 1 – Istanbul nightclub shooting: A gunman dressed as Santa Claus opens fire at the ...
), Chinese rocket scientist.
* December 22 –
A. E. Wilder-Smith (died
1995
1995 was designated as:
* United Nations Year for Tolerance
* World Year of Peoples' Commemoration of the Victims of the Second World War
This was the first year that the Internet was entirely privatized, with the United States government ...
), English-born
organic chemist
Organic chemistry is a subdiscipline within chemistry involving the science, scientific study of the structure, properties, and reactions of organic compounds and organic matter, organic materials, i.e., matter in its various forms that contain ...
.
Deaths
* February 17 –
Stanislaus von Prowazek (born
1875
Events
January
* January 1 – The Midland Railway of England abolishes the Second Class passenger category, leaving First Class and Third Class. Other British railway companies follow Midland's lead during the rest of the year (Third C ...
), Bohemian-born parasitologist.
* April 19 – Sir
Thomas Clouston (born
1840
Events
January–March
* January 3 – One of the predecessor papers of the ''Herald Sun'' of Melbourne, Australia, ''The Port Phillip Herald'', is founded.
* January 10 – Uniform Penny Post is introduced in the United Kingdom.
* Janu ...
),
Scottish
Scottish usually refers to something of, from, or related to Scotland, including:
*Scottish Gaelic, a Celtic Goidelic language of the Indo-European language family native to Scotland
*Scottish English
*Scottish national identity, the Scottish ide ...
psychiatrist
A psychiatrist is a physician who specializes in psychiatry. Psychiatrists are physicians who evaluate patients to determine whether their symptoms are the result of a physical illness, a combination of physical and mental ailments or strictly ...
.
* March 21 –
Ambrosius Hubrecht
Ambrosius Arnold Willem Hubrecht (2 March 1853, in Rotterdam – 21 March 1915, in Utrecht) was a Dutch zoologist. Among his prominent contributions was the evolution of placental mammals.
Hubrecht studied zoology at Utrecht University with Hart ...
(born
1853
Events
January–March
* January 6 –
** Florida Governor Thomas Brown signs legislation that provides public support for the new East Florida Seminary, leading to the establishment of the University of Florida.
**U.S. President-elect ...
),
Dutch zoologist
Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...
.
* March 24 –
Margaret Lindsay Huggins (born
1848
1848 is historically famous for the wave of revolutions, a series of widespread struggles for more liberal governments, which broke out from Brazil to Hungary; although most failed in their immediate aims, they significantly altered the polit ...
),
Irish-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 ...
.
* May 2 –
Clara Immerwahr (born
1870
Events
January
* January 1
** The first edition of ''The Northern Echo'' newspaper is published in Priestgate, Darlington, England.
** Plans for the Brooklyn Bridge are completed.
* January 3 – Construction of the Brooklyn Bridge be ...
), German
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 ...
(suicide).
* May 7 –
Marie Depage (born
1872
Events January
* January 12 – Yohannes IV is crowned Emperor of Ethiopia in Axum, the first ruler crowned in that city in over 500 years.
*January 20 – The Cavite mutiny was an uprising of Filipino military personnel of Fort S ...
),
Belgian nurse (died in
sinking of the RMS ''Lusitania'').
* May 13 –
Morgan Crofton (born
1826
Events January–March
* January 15 – The French newspaper ''Le Figaro'' begins publication in Paris, initially as a satirical weekly.
* January 17 – The Ballantyne printing business in Edinburgh (Scotland) crashes, ruining noveli ...
), Irish-born
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 ...
.
* July 22 – Sir
Sandford Fleming
Sir Sandford Fleming (January 7, 1827 – July 22, 1915) was a Scottish Canadian engineer and inventor. Born and raised in Scotland, he immigrated to colonial Canada at the age of 18. He promoted worldwide standard time zones, a prime meridian, ...
(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 ...
), Canadian engineer and surveyor known as the "father of
time zone
A time zone is an area which observes a uniform standard time for legal, Commerce, commercial and social purposes. Time zones tend to follow the boundaries between Country, countries and their Administrative division, subdivisions instead of ...
s".
* August 10 –
Henry Moseley
Henry Gwyn Jeffreys Moseley (; 23 November 1887 – 10 August 1915) was an English physicist, whose contribution to the science of physics was the justification from physical laws of the previous empirical and chemical concept of the atomic numb ...
(born
1887
Events January
* January 11 – Louis Pasteur's anti-rabies treatment is defended in the Académie Nationale de Médecine, by Dr. Joseph Grancher.
* January 20
** The United States Senate allows the United States Navy to lease Pearl Har ...
), English
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 ...
(killed in action on the
Gallipoli Campaign).
* September 26 –
Tsuruko Haraguchi
was a Japanese psychologist and the first Japanese woman to receive a Doctor of Philosophy.
Life and career
Haraguchi was born in Tomioka, Japan in 1886. Her father was a wealthy farmer and she had two sisters. She attended Takasaki Women's H ...
(born
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 ...
), Japanese psychologist (
tuberculosis
Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...
).
* October 11 –
Jean Henri Fabre (born
1823
Events January–March
* January 22 – By secret treaty signed at the Congress of Verona, the Quintuple Alliance gives France a mandate to invade Spain for the purpose of restoring Ferdinand VII (who has been captured by armed revoluti ...
), French
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 ...
.
* October 15 –
Theodor Boveri
Theodor Heinrich Boveri (12 October 1862 – 15 October 1915) was a German zoologist, comparative anatomist and co-founder of modern cytology. He was notable for the first hypothesis regarding cellular processes that cause cancer, and for descr ...
(born
1862
Events
January
* January 1 – The United Kingdom annexes Lagos Island, in modern-day Nigeria.
* January 6 – Second French intervention in Mexico, French intervention in Mexico: Second French Empire, French, Spanish and British ...
), German
geneticist
A geneticist is a biologist or physician who studies genetics, the science of genes, heredity, and variation of organisms. A geneticist can be employed as a scientist or a lecturer. Geneticists may perform general research on genetic process ...
.
* December 19 –
Alois Alzheimer
Alois Alzheimer ( , , ; 14 June 1864 – 19 December 1915) was a German psychiatrist, neuropathologist and colleague of Emil Kraepelin. He is credited with identifying the first published case of "presenile dementia", which Kraepelin later ide ...
(born
1864
Events
January
* January 13 – American songwriter Stephen Foster ("Oh! Susanna", "Old Folks at Home") dies aged 37 in New York City, leaving a scrap of paper reading "Dear friends and gentle hearts". His parlor song "Beautiful Dream ...
), German
neuroscientist
A neuroscientist (or neurobiologist) is a scientist specializing in neuroscience that deals with the anatomy and function of neurons, Biological neural network, neural circuits, and glia, and their Behavior, behavioral, biological, and psycholo ...
.
References
{{DEFAULTSORT:1915 In Science
20th century in science
1910s in science