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    James Dewar, Invention Thermos Flask  
Sir James Dewar was a Scottish chemist and physicist. He is probably best-known today for his invention of the Dewar flask, which he used in conjunction with extensive research into the liquefaction of gases. He was also particularly intere...
 
    Josiah Willard Gibbs, Physicist  
Josiah Willard Gibbs was an American theoretical physicist, chemist, and mathematician. He devised much of the theoretical foundation for chemical thermodynamics as well as physical chemistry. As a mathematician, he invented vector analysis...
 
    Edwin A. Abbott, Author of Flatland  
Edwin Abbott Abbott, English schoolmaster and theologian, is best known as the author of the mathematical satire and religious allegory Flatland (1884): A Romance of Many Dimensions which describes a two-dimensional world and explores the n...
 
    Johannes van der Waals, Physicist  
Johannes Diderik van der Waals was a Dutch scientist and thermodynamicist famous for his work on the equation of state for gases and liquids which describe the relation between the pressure, volume, and temperature of fluids (gases and liq...
 
    August Weismann, Evolutionary Biologist  
Friedrich Leopold August Weismann was a German evolutionary biologist. Ernst Mayr ranked him the second most notable evolutionary theorist of the 19th century, after Charles Darwin. Weismann became the Director of the Zoological Institute a...
 
    Ernst Haeckel, German Naturalist  
Ernst Haeckel was an eminent German biologist, naturalist, philosopher, physician, professor and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms...
 
    Alfred Nobel, Inventor of Dynamite  
Alfred Bernhard Nobel was a Swedish chemist, engineer, inventor, businessman, and philanthropist. Known for inventing dynamite, Nobel also owned Bofors, which he had redirected from its previous role as primarily an iron and steel produc...
 
    Maxwell, Light is an Electromagnetic Wave  
James Clerk Maxwell was a Scottish mathematical physicist. His most notable achievement was to formulate the classical theory of electromagnetic radiation, bringing together for the first time electricity, magnetism, and light as manifestat...
 
    Bernhard Riemann, Foundations of General Relativity  
Bernhard Riemann was a German mathematician who made contributions to analysis, number theory, and differential geometry. In the field of real analysis, he is mostly known for the first rigorous formulation of the integral, the Riemann inte...
 
    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...
 
    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...
 
    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...
 
    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...
 
       
         
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