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    Sigmund Freud, Father of Psychoanalysis  
Sigmund Freud was an Austrian neurologist who became known as the founding father of psychoanalysis. In creating psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst, Freud...
 
    Doc Holliday, Gunfight at the O.K. Corral  
John Henry "Doc" Holliday was an American gambler, gunfighter, and dentist, and a good friend of Wyatt Earp. He is best known for his role as a temporary deputy marshal in the events leading up to and following the Gunfight at the O.K. Corr...
 
    Gottlob Frege, The Foundations of Mathematics  
Friedrich Ludwig Gottlob Frege was a German philosopher, logician, and mathematician. Considered a major figure in mathematics, he is responsible for the development of modern logic and making contributions to the foundations of mathemat...
 
    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-...
 
    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...
 
    Eduard Suess, Discovery Supercontinent  
Eduard Suess was a geologist who was an expert on the geography of the Alps. He is responsible for discovering two of the Earth's major now-lost geographical features, the supercontinent Gondwana (proposed 1861) and the Tethys Ocean. Sue...
 
    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...
 
    Ada Lovelace, 1st Computer Programmer  
Augusta Ada King, Countess of Lovelace, born Augusta Ada Byron and now commonly known as Ada Lovelace, was an English mathematician and writer chiefly known for her work on Charles Babbage's early mechanical general-purpose computer, the An...
 
    Charles Darwin, Evolution Theory - 1859  
Charles Robert Darwin was an English naturalist who realised and presented compelling evidence that all species of life have evolved over time from common ancestors, through the process he called natural selection. The fact that evolution o...
 
    Michael Faraday, Producing Electricity  
Michael Faraday was an English chemist and physicist (or natural philosopher, in the terminology of the time) who contributed to the fields of electromagnetism and electrochemistry. Although Faraday received little formal education and knew...
 
    Fraunhofer, Founding Stellar Spectroscopy, 1814  
Joseph Ritter von Fraunhofer is known for discovering the dark absorption lines known as Fraunhofer lines in the Sun's spectrum, and for making excellent optical glass and achromatic telescope objectives. In 1814 Fraunhofer invented the...
 
    Wilhelm Grimm, Grimm's Fairy Tales  
Wilhelm Carl Grimm was a German author and anthropologist, and the younger brother of Jakob Grimm, of the library duo the Brothers Grimm. Wilhelm's character was a complete contrast to that of his brother. As a boy, he was strong and hea...
 
    Jacob Grimm, Grimm's Fairy Tales  
Jacob Ludwig Carl Grimm also known as Ludwig Karl, was a German philologist, jurist, and mythologist. He is known as the discoverer of Grimm's law (linguistics), the co-author with his brother Wilhelm of the monumental Deutsches Wörterbuch,...
 
    Gauss, Prince of Mathematicians  
Johann Carl Friedrich Gauss was a German mathematician, who contributed significantly to many fields, including number theory, algebra, statistics, analysis, differential geometry, geodesy, geophysics, electrostatics, astronomy, Matrix theo...
 
    Ampere, Father of Electrodynamics  
André-Marie Ampère was a French physicist and mathematician who is generally regarded as one of the main founders of the science of classical electromagnetism, which he referred to as "electrodynamics". The SI unit of measurement of electri...
 
       
         
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