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    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...
 
    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...
 
    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...
 
    Gustav Kirchhoff, German Physicist  
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...
 
    Lord Kelvin, William Thomson  
The Right Honourable William Thomson, 1st Baron Kelvin, GCVO, OM, PC, PRS was a Scottish-Irish mathematical physicist and engineer, an outstanding leader in the physical sciences of the 19th century. Kelvin is known especially for his work...
 
    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...
 
    Henry Walter Bates, Naturalist  
Henry Walter Bates was an English naturalist and explorer who gave the first scientific account of mimicry in animals. He was most famous for his expedition to the rainforests of the Amazon with Alfred Russel Wallace, starting in 1848. Wall...
 
    Charcot, Founder Modern Neurology  
Jean-Martin Charcot was a French neurologist and professor of anatomical pathology. He is known as "the founder of modern neurology" and is "associated with at least 15 medical eponyms", including Charcot-Marie-Tooth disease and amyotrophic...
 
    Thomas Henry Huxley  
Thomas Henry Huxley was one of the first adherents to Darwin's theory of evolution by natural selection, and did more than anyone else to advance its acceptance among scientists and the public alike. As is evident from the letter quoted abo...
 
    Rassam, Found Tablets of Gilgamesh  
Hormuzd Rassam was a native Assyrian Assyriologist, British diplomat and traveller who made a number of important discoveries, including the clay tablets that contained the Epic of Gilgamesh, the world's oldest literature. In addition, he f...
 
    Marcellin Berthelot, French Chemist  
Pierre Eugène Marcellin Berthelot was a French chemist and politician noted for the Thomsen-Berthelot principle of thermochemistry. He synthesized many organic compounds from inorganic substances and disproved the theory of vitalism[citatio...
 
       
         
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