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Who • What • Where • When
Who → Activists •
Actors •
Anarchists •
Architects •
Artists •
Astronauts •
Athletes •
Bankers •
Billionaires •
Chefs •
Chess players •
Christians •
Communists •
Composers •
Conquerors •
Conquistadors •
Crusaders •
Designers •
Dictators •
Directors •
Engineers •
Entrepreneurs •
Explorers •
Founders •
Freemasons •
Historians •
Humanists •
Inventors •
Jurists •
Mechanicians •
Merchants •
Muses •
Musicians •
Muslims •
Outlaws •
Painters •
Philanthropists •
Philosophers •
Photographers •
Pilots •
Pirates •
Polymaths •
Prodigies •
Reformers •
Revolutionaries •
Royalty •
Sailors •
Scientists •
Settlers •
Soldiers •
Statesmen •
Teachers •
Visionaries •
Warriors •
Writers •
Women •
Icons •
People
Scientists → Alchemists •
Anthropologists •
Archaeologists •
Astrologers •
Astronomers •
Biologists •
Botanists •
Cartographers •
Chemists •
Economists •
Geographers •
Geologists •
Mathematicians •
Biochemists •
Geochemists •
Hydrographer •
Meteorologist •
Microbiologist •
Naturalists •
Neurologist •
Opticien •
Philologist •
Physicians •
Physicists •
Psychologists •
Scholars •
Seismologists
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255 of 411 items
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12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 ← Previous page
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Karl Heinrich Marx was a German philosopher, economist, sociologist, historian, journalist, and revolutionary socialist. Marx's work in economics laid the basis for the current understanding of labour and its relation to capital, and has in... |
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James Prescott Joule was an English physicist and brewer, born in Salford, Lancashire. Joule studied the nature of heat, and discovered its relationship to mechanical work. This led to the law of conservation of energy, which led to the dev... |
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Léon Foucault was a French physicist best known for the invention of the Foucault pendulum, a device demonstrating the effect of the Earth's rotation. He also made an early measurement of the speed of light, invented the gyroscope, and disc... |
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John Adams was an English mathematician and astronomer who predicted the existence of Neptune. While a student at Cambridge he wrote this note (found only after his death) dated Jul. 3, 1841: Formed a design at the beginning of this week of... |
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Sir George Gabriel Stokes, 1st Baronet, was an Anglo-Irish physicist and mathematician. Born in County Sligo, Ireland, Stokes spent all of his career at the University of Cambridge, where he was the Lucasian Professor of Mathematics from 18... |
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Captain Sir Richard Francis Burton KCMG FRGS was a British geographer, explorer, translator, writer, soldier, orientalist, cartographer, ethnologist, spy, linguist, poet, fencer and diplomat. He was known for his travels and explorations wi... |
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Sir Samuel White Baker was a British explorer, officer, naturalist, big game hunter, engineer, writer and abolitionist. He also held the titles of Pasha and Major-General in the Ottoman Empire and Egypt. He served as the Governor-General of... |
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John Henry "Professor" Pepper was a British scientist and inventor who toured the English-speaking world with his scientific demonstrations. He entertained the public, royalty, and fellow scientists with a wide range of technological innova... |
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Heinrich Louis d'Arrest was a German astronomer, born in Berlin. While still a student at the University of Berlin, d'Arrest was party to Johann Gottfried Galle's search for Neptune. On September 23, 1846, he suggested that a recently drawn... |
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Gregor Johann Mendel was a Austrian priest and scientist, and is often called the father of genetics for his study of the inheritance of traits in pea plants. Mendel showed that the inheritance of traits follows particular laws, which were... |
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Heinrich Schliemann was a German businessman and a pioneer in the field of archaeology. He was an advocate of the historicity of places mentioned in the works of Homer and an archaeological excavator of Hissarlik, now presumed to be the sit... |
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Louis Pasteur was a French biologist, microbiologist and chemist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurization. He is remembered for his remarkable breakthroughs in the causes and p... |
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Sir Francis Galton, half-cousin of Charles Darwin, was an English Victorian polymath, anthropologist, eugenicist, tropical explorer, geographer, inventor, meteorologist, proto-geneticist, psychometrician, and statistician. He was knighted i... |
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Alfred Russel Wallace was a British naturalist, explorer, geographer, anthropologist, and biologist. He is best known for independently conceiving the theory of evolution through natural selection; his paper on the subject was jointly publi... |
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Gustav Robert Kirchhoff was a German physicist who contributed to the fundamental understanding of electrical circuits, spectroscopy, and the emission of black-body radiation by heated objects.
He coined the term black-body radiation in... |
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