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    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...
 
    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...
 
    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...
 
    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...
 
    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...
 
    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...
 
    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...
 
    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...
 
    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...
 
    John William Strutt, 3rd Baron Rayleigh  
John William Strutt, 3rd Baron Rayleigh, was a British scientist who made extensive contributions to both theoretical and experimental physics. He spent all of his academic career at the University of Cambridge. Among many honours, he recei...
 
    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...
 
    Ludwig Boltzmann, Physicist  
Ludwig Eduard Boltzmann was an Austrian physicist famous for his founding contributions in the fields of statistical mechanics and statistical thermodynamics. He was one of the most important advocates for atomic theory at a time when that...
 
    Georg Cantor, Set Theory, Infinity of Infinities  
Georg Cantor was a German mathematician. He created set theory, which has become a fundamental theory in mathematics. Cantor established the importance of one-to-one correspondence between the members of two sets, defined infinite and well-...
 
    Röntgen, Discovers X-rays, 1895  
Wilhelm Conrad Röntgen was a German physicist, of the University of Würzburg, who, on November 8, 1895, produced and detected electromagnetic radiation in a wavelength range today known as x-rays or Röntgen Rays. Röntgen's discovery of x-ra...
 
       
         
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