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Who said: “Science without religion is lame; religion without science is blind.”
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< 1 Jan | 3 Jan >
JANUARY 2 – BIRTHS – Scientists born on January 2nd
  Donald B. Keck
baby icon  Born 2 Jan 1941.
American research physicist, who with his colleagues at Corning Glass, Dr. Robert Maurer and Dr. Peter Schultz, invented fused silica optical waveguide - optical fiber. This was a breakthrough creating a revolution in telecommunications, capable of carrying 65,000 times more information than conventional copper wire. In 1970, Maurer, Keck, and Schultz solved a problem that had previously stumped scientists around the world. They designed and produced the first optical fiber with optical losses low enough for wide use in telecommunications. The light loss was limited to 20 decibels per kilometer (at least one percent of the light entering a fiber remains after traveling one kilometer).
  Isaac Asimov
baby icon  Born 2 Jan 1920; died 6 Apr 1992 at age 72.  quotes button quotes
American author and biochemist, who was a prolific writer of science fiction and of science books for the layperson. Born in Petrovichi, Russia, he emigrated with his family to New York City at age three. He entered Columbia University at the age of 15 and at 18 sold his first story to Amazing Stories. After earning a Ph.D., he taught biochemistry at Boston University School of Medicine after 1949. By 18 Mar 1941, Asimov had already written 31 stories, sold 17, and 14 had been published. As an author, lecturer, and broadcaster of astonishing range, he is most admired as a popularizer of science (The Collapsing Universe; 1977) and a science fiction writer (I, Robot; 1950). He coined the term “robotics.” He published about 500 volumes.
book icon Asimov's Chronology of Science and Discovery, by Isaac Asimov. - book suggestion.
booklist icon Booklist for Isaac Asimov.
  Roger Adams
baby icon  Born 2 Jan 1889; died 6 Jul 1971 at age 82.  quotes button quotes
American organic chemist who joined the faculty at the University of Illinois at Urbana in 1916, which he converted into the leading centre of organic chemistry in the U.S. and forged links with industry, notably with Du Pont. Adams worked out the chemical composition of various natural substances, including chaulmoogra oil (which is used in treating leprosy), gossypol (a toxic cottonseed pigment), marijuana, and many alkaloids. He also worked in stereochemistry and with platinum catalysts and the synthesis of medicinal compounds. His name is associated with chemical warfare agent Adamsite (diphenylamine chloroarsine) and the Adams catalyst (platinum oxide or palladium oxide, used for the hydrogenation of carbon-carbon double bonds).
book icon Roger Adams: Scientist and Statesman, by D. Stanley Tarbell, Ann Tracy Tarbell. - book suggestion.
  Francis Arthur Freeth
baby icon  Born 2 Jan 1884; died 15 Jul 1970 at age 86.  quotes button quotes
British industrial chemist who was chief chemist to the firm of Brunner, Mond and Co. from 1908. At the outbreak of World War I, he served as an army captain (called up 4 Aug 1914) and was sent to the trenches in France. But by Feb 1915, he was ordered to return from France to the chemical company (1915-18) to devote his prior skills to large-scale production of ammonium nitrate for explosives, a vital wartime need. His solution was controlling the conditions of the double-replacement reaction between ammonium sulphate and Chile saltpetre. Subsequently, he spent much of his career as research manager, including with I.C.I., when it was formed by the merger (1926) of several companies including Brunner Mond.
  Henry A. Gleason
baby icon  Born 2 Jan 1882; died 12 Apr 1975 at age 93.  quotes button quotes
Henry Allan Gleason was an American botanist who was was active with the New York Botanical Garden for 32 years (1918-1950). By age 13, he already was a botany enthusiast. While still in high school, he contributed to The American Naturalist. Early in his career, he travelled to the Philippines, Java and Ceylon to studying tropical vegetation. In 1918, he gave a lecture on his findings, which led to the offer of a permanent position at NYBG, where he developed its South American collection.He was one of the first to consider community ecology. His paper on “The Individualistic Concept of the Plant Association” (1926) concluded that species tended to distribute themselves independently of one another. Eventually, his idea was embraced for the study of vegetation on an ecological and geographical basis. After retirement, he became emeritus head curator.«
  Albert C. Barnes
baby icon  Born 2 Jan 1872; died 24 Jul 1951 at age 79.
Albert Coombs Barnes was an American chemist who invented the antiseptic Argyrol (1902). This is a silver-protein compound used in aqueous solution as a topical antiseptic. Believing in the social theories of philosophers such as John Dewey, Barnes felt he could better the lives of his fellow citizens. He applied his own ideas in his own factories. He scheduled his workers on 8-hour shifts 6 hours on the production line, followed by 2 hours of lectures on esthetics and art. He became a noted art collector, whose collection is now in the Barnes Foundation galleries in Merion, outside Philadelphia. Barnes' theories of art appreciation continue to be taught at the Barnes Foundation today. Dr. Barnes died in a car crash in 1951.
  William Corless Mills
Thumbnail - William Corless Mills
1921
(source)
baby icon  Born 2 Jan 1860; died 17 Jan 1928 at age 68.
American museum curator who excavated Indian remains in Ohio, especially the Adena Mound (1901), a large earthen Indian burial ground near Chillicothe. Dating from about 50 BC, this site now represents the type site for the study of the North American Adena culture and period. Mills also made the definitive study (publ.1921) of Ohio's Flint Ridge “Great Indian Quarry” for the Ohio Archaeological and Historical Society of which he was curator and librarian 1898-1928. [Image right: point first described and named by Mills in his 1902 book Excavation of the Adena Mound recording points he found at the large mound on the Adena Estate of Governor Worthington in Ross County, Ohio.]
  Émile Amagat
baby icon  Born 2 Jan 1841; died 16 Feb 1915 at age 74.
Émile Hilaire Amagat was a French physicist who devoted his research career to the behaviour of fluids, including investigating the compressibility of gases at high pressures.
  Rudolf Clausius
baby icon  Born 2 Jan 1822; died 24 Aug 1888 at age 66.  quotes button quotes
who was one of the founders of thermodynamics. In 1850, he stated the second law of thermodynamics. As a theoretical physicist, he also researched in molecular physics and electricity. In his published work in thermodynamics (1865) he gave the First and Second laws of thermodynamics in the following form: (1) The energy of the universe is constant. (2) The entropy of the universe tends to a maximum. In all Clausius wrote eight important papers on the topic. He restated Sadi Carnot's principle of the efficiency of heat engines. The Clausius-Clapeyron equation expresses the relation between the pressure and temperature at which two phases of a substance are in equilibrium.
  James Croll
baby icon  Born 2 Jan 1821; died 15 Dec 1890 at age 69.  quotes button quotes
British geologist.
  Charles Thurber
Thumbnail - Charles Thurber
1843
(source)
baby icon  Born 2 Jan 1803; died 7 Nov 1886 at age 83.
American inventor of an early form of typewriter. He formed Allen & Thurber (Worcester, Mass) with his brother in law, Ethan Allen to manufacture firearms. On “Thurber's Patent Printer,” (U.S. patent No. 3,228 on 26 Aug 1843), the type was mounted on a rotating cylindrical drum. As Scientific American described it, “the paper was secured to the drum, and was brought into the proper place under the type bar guide. The type wheel was revolved until the desired lever came over the guide. The key was then forced down with the finger, and the character was printed.” Thurber also patented a different machine which he called the Chirographer, “for writing or forming any kind of figures or characters on paper, and making copies thereof at the same operation,” but the machine was still far too slow to substitute for hand writing.«  read more button more
  Charles Hatchett
Thumbnail - Charles Hatchett
Arc-welding rod
(source)
baby icon  Born 2 Jan 1765; died 10 Mar 1847 at age 82.  quotes button quotes
English chemist who discovered an element he called columbium in 1801. He worked at the British Museum. He found it while analyzing columbite, a black rock in the collection from New England. The sample donor was Sir Hans Sloane, who received it decades earlier from the grandson of mineral collector, John Winthrop (1606-76), Connecticut's first governor. Hatchett was able to detect a new element in the complex mineral, but not to isolate it. It was called niobium by German chemist, Heinrich Rose, who rediscovered the metal forty years later. In 1864, the element itself was first separated by reducing the chloride by heating it in a hydrogen atmosphere. Niobium is a metal that burns when heated in air and is used in arc-welding rods.«
  Johann Daniel Titius
baby icon  Born 2 Jan 1729; died 16 Dec 1796 at age 67.
Prussian astronomer, physicist, and biologist whose formula (1766) expressing the distances between the planets and the Sun was confirmed by J.E. Bode in 1772, when it was called Bode's Law. Titius suggested that the mean distances of the planets from the sun very nearly fit a simple relationship of A=4+(3x2n) giving the series 4, 7, 10, 16, 28*, 52, 100, corresponding to the relative distance of the six known planets, up to Saturn, and an unassigned value (*) between Mars and Jupiter. Olbers searched for a planetary object at this empty position, thus discovering the asteroid belt. However, since the discovery of Neptune, which did not fit the pattern, the "law" is regarded as a coincidence with no scientific significance. [DSB gives date of death 16 Dec 1796. EB gives 11 Dec 1796.]
  John Bessarion
baby icon  Born 2 Jan 1403; died 18 Nov 1472 at age 69.
Greek scholar.


Nature bears long with those who wrong her. She is patient under abuse. But when abuse has gone too far, when the time of reckoning finally comes, she is equally slow to be appeased and to turn away her wrath. (1882) -- Nathaniel Egleston, who was writing then about deforestation, but speaks equally well about the danger of climate change today.
Carl Sagan Thumbnail Carl Sagan: In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) ...(more by Sagan)

Albert Einstein: I used to wonder how it comes about that the electron is negative. Negative-positive—these are perfectly symmetric in physics. There is no reason whatever to prefer one to the other. Then why is the electron negative? I thought about this for a long time and at last all I could think was “It won the fight!” ...(more by Einstein)

Richard Feynman: It is the facts that matter, not the proofs. Physics can progress without the proofs, but we can't go on without the facts ... if the facts are right, then the proofs are a matter of playing around with the algebra correctly. ...(more by Feynman)
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< 1 Jan | 3 Jan >
JANUARY 2 – DEATHS – Scientists died on January 2nd
  Dixy Lee Ray
gravestone icon  Died 2 Jan 1994 at age 79 (born 3 Sep 1914).  quotes button quotes
(Margaret Ray) American marine biologist whose interests extended to the environment and the need for greater public understanding of science. A year after appointment to the Atomic Energy Commission, she became its first female chair (1973-75) and championed nuclear power plant construction. On 2 Nov 1976, Ray won election as the first woman to be governor of Washington state. In her single term as governor, Ray generated more controversy than accomplishments, advocating reductions in environmental protections, and supporting nuclear power. She feuded with aides and refused to close the Hanford nuclear dump. She was featured on the cover of Time issue of 12 Dec 1977.
book icon Is it true what they say about Dixy?: A biography of Dixy Lee Ray, by Louis R Guzzo. - book suggestion.
  Errett Lobban Cord
gravestone icon  Died 2 Jan 1974 at age 79 (born 20 Jul 1894).
U.S. automobile manufacturer, advocate of front-wheel-drive vehicles. Cord, still in his twenties when he arrived at the Auburn Automobile Company, had a talent for seeking and hiring young, innovative minds, full of drive and ambition. Cord was a brilliant, complex industrialist who helped personal and public transportation come of age. He is best known today for Auburn, Cord and Duesenberg automobiles, Cord's greatest talent may have been his unparalleled ability to construct an automotive empire durable enough to thrive during the darkest years of the Great Depression. Photo: 1929 Cord L-29 Sedan, America's first front-drive production car. Built by the Auburn Automobile Company, Auburn, Indiana.
  Lillian Evelyn Gilbreth
gravestone icon  Died 2 Jan 1972 at age 93 (born 24 May 1878).
(née Moller) American efficiency expert, who as wife of Frank Bunker Gilbreth, contracting engineer, together developed the method of time-and-motion study. Upon her marriage, 19 Oct 1904, she became a partner in her husband's fledgling motion study business. As a contractor, he was already applying ideas to improve the speed of building. After a few years, they applied motion study to industry. Each step of work activity was to be studied in detail (employing motion pictures for analysis) to determine the optimal way to execute a given task. By choosing a method of least exertion, the employees would be more healthy, more productive, and economically improve the business. She continued after her husband's death in 1924.
book icon Making Time: Lillian Moller Gilbreth..., by Jane Lancaster. - book suggestion.
  Sidney R. Dight
gravestone icon  Died 2 Jan 1948 at age 62 (born 29 Oct 1885).
Rear Admiral Sidney Rupert Dight was an English navy officer and engineer who originated the petroleum smoke screens used to confuse the pilots of German bombers. They were rapidly developed and used for protection of industrial targets from aerial bombardment during WW II. During the war, the majority of high-output boilers designed by the Admiralty were equipped with the circulation augmentor he invented. His navy career began as an Engineer Sub. Lieutenant on 4 Jul 1905, and he served a few years at sea, some in WW I. During the war, he was appointed, though briefly, as Assistant Secretary of the Board of Invention and Research. By the 1930s he was the Commanding Officer of the Admiralty’s Fuel Experimental Station. During WW II, in early 1940, he was appointed Director of Development in the Petroleum Warfare Department (Local Defence Division).«
  Sir Edward Burnett Tylor
gravestone icon  Died 2 Jan 1917 at age 84 (born 2 Oct 1832).
English anthropologist regarded as the founder of cultural anthropology. After travelling in the U.S. (1855-56) he proceeded to Cuba (1856), where he met Henry Christy the ethnologist. Together they visited Mexico, where Christy's influence greatly stimulated Tylor's interest in anthropology. Seeing the rich prehistoric remains in Mexico led Tylor to make a systematic study of the science. In his most important work, Primitive Culture (1871), being influenced by Darwin's theory of biological evolution, he developed the theory of an evolutionary, progressive relationship between primitive and modern cultures. By 1883, he was Keeper of the University Museum at Oxford and Professor of Anthropology there 1896-1909. He was knighted in 1912.
book icon Primitive culture: Researches ..., by Edward Burnett Tylor. - book suggestion.
  Lιon-Philippe Teisserenc de Bort
gravestone icon  Died 2 Jan 1913 at age 57 (born 5 Nov 1855).
French meteorologist who discovered the stratosphere (1902). He established own observatory at Trappes (1896) and pioneered in the use of unmanned, instrumented balloons to investigate atmosphere. Teisserenc de Bort found that above an altitude of 7 miles (11 km) temperature ceased to fall and sometimes increased slightly. He named this upper part of the atmosphere the stratosphere, because he thought that the different gases would lie in distinct strata as, without temperature differentials, there would be no mechanism to disturb them. The lower part of the atmosphere he named the troposphere (Greek: "sphere of change") as here, with abundant temperature differentials, constant change and mingling of atmospheric gases occurred.
  Sir George Biddell Airy
gravestone icon  Died 2 Jan 1892 at age 90 (born 27 Jul 1801).  quotes button quotes
English astronomer and mathematician who became the seventh Astronomer Royal (1836-92). In his life he studied interference fringes in optics, made a mathematical study of the rainbow and computed the density of the Earth by swinging a pendulum at the top and bottom of a deep mine, determined the mass of the planet Jupiter and its period rotation, calculated the orbits of comets and cataloged stars. He designed corrective lenses for astigmatism (1825), the first that worked. His motivation was his own astigmatism. Airy had a long-standing battle with Babbage. In 1854, the conflict continued between the two during the battle of the incompatible railway gauges in England. Airy championed the railway narrow gauge and Babbage for the wide gauge.
  Samuel Williams
gravestone icon  Died 2 Jan 1817 at age 73 (born 23 Apr 1743).
American natural philosopher and clergyman who organized the first expedition of its kind in the U.S. (departing on 9 Oct 1780) to observe a total solar eclipse in Penobscot Bay, Maine, although it was held by the British enemy. The eclipse was very slightly less than being total, and he is believed to be the first to observe the “ Baily's Beads” phenomenon seen along the sun's last sliver. Previously, with John Winthrop (under whom he studied) he travelled to St. John's, Newfoundland (1761) to observer the Transit of Venus. When Wintrop died, Williams succeeded him (1779) as the Hollis Professor of Mathematics and Natural Philosophy at Harvard University. He researched and taught astronomy, meteorology, and magnetism. He resigned in June 1788. He also engaged in state boundary surveys: NY and Mass. (1785-88), and Vermont and Canada (1795).« [Image drawn from a miniature.]  read more button more
  Baron Louis Bernard Guyton de Morveau
gravestone icon  Died 2 Jan 1816 at age 78 (born 4 Jan 1737).
French chemist who collaborated with Antoine Lavoisier and others to establish a systematic chemical nomenclature, helping to distinguish elements from compounds. He published studies on phlogiston and crystallization, and also liquified ammonia gas. He wrote the chemical section of the Encyclopιdie mιthodique (Vol. I, 1786). In 1761, Guyton proposed that the name "alumine" (hence aluminium) be used for the base in alum (potassium aluminium sulphate; Latin alumen = alum). Guyton was one of the first to conclude that iron and steel differ solely in their carbon content, improved the manufacture of gunpowder, was the first to use chlorine and hydrochloric acid gas as disinfectants, and one of the first balloonists (1784).

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< 1 Jan | 3 Jan >
JANUARY 2 – EVENTS – Science events on January 2nd
  Monarch butterflies
calendar icon   In 1975, Kenneth C. Brugger discovered the long-unknown winter destination of the monarch butterfly in the mountains of Mexico. From 1937, for 38 years, Canadian zoologist Freud Urquhart patiently investigated to establish the route and destination of the insects. Using tags on the wings of some butterflies, he followed their migration trails to Mexican territory. Brugger, one of Urquhart's helpers, after a long period of traveling in the center of Mexico, found the first butterfly refuge. Within the territory of only 200 square meters, there are around 20 million butterflies. The area was cold and covered with oyamel trees and pine trees, a few kilometers from rural towns.
  Solar system age
calendar icon   In 1960, John Reynolds set the age of solar system at 4,950,000,000 years.
  Luna 1
calendar icon   In 1959, the first lunar space shot to escape the Earth's gravitational pull was launched by the Soviet Union. Originally named “Cosmic Rocket”, the unmanned mission was retroactively named Luna 1. Just over 8 hours later, instead of impacting the Moon as intended, due to a guidance system error, it passed to within about 4,000 miles (6,400 km). Instead, it became the first spacecraft to enter orbit around the Sun. The spacecraft was equipped with instruments to measure cosmic radiation and also the magnetic fields of the Earth and the Moon. It released a cloud of sodium gas, which glowed due to the Sun's radiation like an artificial comet, and made it visible from Earth. Contact lasted 62 hours after the launch until the batteries were drained. Luna 2 was launched 12 Sep 1959.«
book icon Deep Space Chronicle: A Chronology of Deep Space and Planetary Probes 1958-2000. Monograph in Aerospace History, No. 24, by Asif A. Siddiqi. - book suggestion.
  Night vision tube
calendar icon   In 1936, the first electron tube to enable night vision was described, in St Louis, Mo.
  Chicago canal
calendar icon   In 1900, the Chicago Canal opened.
  U.S. prototype meter and kilogram
calendar icon   In 1890, the seals were broken on prototype meter No. 27 and prototype kilogram No. 20 in the Cabinet room of the Executive Mansion by U.S. President Benjamin Harrison, observed by the Secretary of State, the Secretary of the Treasury, and invited guests. Following the Metric Convention (20 May 1875), which the U.S. had signed, prototype measures had been prepared of platinum-iridium alloy from the international prototypes in France, and were ready for distribution on 26 Sep 1889. Two of each were furnished to the U.S.: kilograms Nos. 21 and 27, and meters Nos. 4 and 20. Those on which the seals were broken were thereby adopted as the U.S. national prototypes, which would thereafter be used to define all measurements of length and weight in the U.S.« 
  Brooklyn Bridge
Thumbnail - Brooklyn Bridge
John Roebling
(source)
calendar icon   In 1870, construction began on the Brooklyn Bridge to cross the East River, New York City, USA, with a single span, a breadth of 1,600 feet navigable water. The 13 year project was started by John Roebling, and after his death, completed by his son Washington Roebling. It was opened on 24 May 1883. What was then regarded as the greatest engineering feat still stands in service today, and remains the world's only stone-towered, steel cabled bridge. Twice the size of the Niagara Suspension Bridge and four times the longest non-extension spans then attempted, the total length of this colossal structure is 6,927 ft. The road bed is 80 feet wide, at an elevation of 186 feet above high water.«
book icon The Great Bridge: The Epic Story of the Building of the Brooklyn Bridge, by David McCullough. - book suggestion.
  First US wire suspension bridge
calendar icon   In 1842, the first U.S. wire suspension vehicle bridge was opened to traffic at Fairmount, Pennsylvania, for Calloway Sreet to cross the Schuylkill river. It was designed and built by the engineer Charles Ellet to replace the 1816 wooden “Colossus” bridge that burned in 1838. Ellet’s bridge spanned 342 feet, and had a clear width of 25 feet. It was replaced in 1875 by a truss bridge. From 1809 to 1816 there had been prior short-lived bridges at the site, each of which collapsed under excessive loads. One used suspension cables of long iron links (1809-1811), replaced by another suspension (fell 17 Jan 1816) and a third (opened Jun 1816, fell Winter 1816) was only 18 inches wide, but was the first to use cables, made with six 3/8" wires by the nearby wire mill of White and Hazard.«
  Daguerre photographs the moon
Thumbnail - Daguerre photographs the moon
Louis Daguerre
(source)
1851
1851
calendar icon   In 1839, French pioneering photographer Louis Daguerre took the first photograph of the moon. Unfortunately it was lost when on 8 Mar 1839, a fire burned his laboratory to the ground, together with his records and early experiment materials. The earliest surviving photograph of the moon, a daguerreotype, was taken by John Adams Whipple (1851). Image: another daguerreotype from 1851, the earliest surviving moon image.
book icon The Daguerreotype: Nineteenth-Century Technology and Modern Science, by Barger and White. - book suggestion.
  Luddites trial
calendar icon   In 1813, a special Commission opened at York, England to put on trial 66 persons for offenses connected with Luddism. Within days, seventeen of them had been executed on the scaffold. Taking their name from (perhaps mythical) Ned Ludd, Luddites vowed to destroy the factory mechanization they blamed for their unemployment. Riots began in 1812, and spread north from Nottingham where half of the population were receiving parish relief. Falling prices for goods, bad harvest increasing prices for food, wages at starvation level, costs of war and lost foreign markets contributed to the economic distress of the working class. One thousand looms were broken up in Nottingham, and a law was passed making destruction of machinery a capital offence.«  read more button more

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- 100 -
Sophie Germain
Gertrude Elion
Ernest Rutherford
James Chadwick
Marcel Proust
William Harvey
Johann Goethe
John Keynes
Carl Gauss
Paul Feyerabend
- 90 -
Antoine Lavoisier
Lise Meitner
Charles Babbage
Ibn Khaldun
Euclid
Ralph Emerson
Robert Bunsen
Frederick Banting
Andre Ampere
Winston Churchill
- 80 -
John Locke
Bronislaw Malinowski
Bible
Thomas Huxley
Alessandro Volta
Erwin Schrodinger
Wilhelm Roentgen
Louis Pasteur
Bertrand Russell
Jean Lamarck
- 70 -
Samuel Morse
John Wheeler
Nicolaus Copernicus
Robert Fulton
Pierre Laplace
Humphry Davy
Thomas Edison
Lord Kelvin
Theodore Roosevelt
Carolus Linnaeus
- 60 -
Francis Galton
Linus Pauling
Immanuel Kant
Martin Fischer
Robert Boyle
Karl Popper
Paul Dirac
Avicenna
James Watson
William Shakespeare
- 50 -
Stephen Hawking
Niels Bohr
Nikola Tesla
Rachel Carson
Max Planck
Henry Adams
Richard Dawkins
Werner Heisenberg
Alfred Wegener
John Dalton
- 40 -
Pierre Fermat
Edward Wilson
Johannes Kepler
Gustave Eiffel
Giordano Bruno
JJ Thomson
Thomas Kuhn
Leonardo DaVinci
Archimedes
David Hume
- 30 -
Andreas Vesalius
Rudolf Virchow
Richard Feynman
James Hutton
Alexander Fleming
Emile Durkheim
Benjamin Franklin
Robert Oppenheimer
Robert Hooke
Charles Kettering
- 20 -
Carl Sagan
James Maxwell
Marie Curie
Rene Descartes
Francis Crick
Hippocrates
Michael Faraday
Srinivasa Ramanujan
Francis Bacon
Galileo Galilei
- 10 -
Aristotle
John Watson
Rosalind Franklin
Michio Kaku
Isaac Asimov
Charles Darwin
Sigmund Freud
Albert Einstein
Florence Nightingale
Isaac Newton