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    John Kerr, Scottish Pioneer in Electro-optics  
John Kerr was a Scottish physicist and a pioneer in the field of electro-optics. He is best known for the discovery of what is now called the Kerr effect. Kerr's most important experimental work was the discovery of double refraction in...
 
    Alfred Russel Wallace, Evolution through Natural Selection  
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...
 
    D'Arrest, Co-discovery Neptune - 1846  
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...
 
    Gregor Mendel, Father of Genetics  
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...
 
    Heinrich Schliemann, Excavation of Troy  
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...
 
    Louis Pasteur, Germ Theory of Disease  
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...
 
    Sir Francis Galton, Pioneer in Eugenics  
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...
 
    Sir Richard Burton, Explorer, etc.  
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...
 
    Samuel Baker, Discovery Lake Albert  
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...
 
    John Henry Pepper, Pepper's Ghost Projection  
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...
 
    Léon Foucault, Inventor  
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...
 
    John Adams, Predicted Neptune - 1841  
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...
 
    Sir George Stokes, Physicist and Mathematician  
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...
 
    Karl Marx, Co-founder Communism  
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...
 
    James Joule, Conservation of Energy  
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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