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    Rudolf Diesel, Inventor Diesel Engine 1893  
Rudolf Christian Karl Diesel was a German inventor and mechanical engineer, famous for the invention of the diesel engine. Diesel engines are most often found in applications where a high torque requirement and low RPM requirement exist....
 
    Theodore Roosevelt, 26th Us President, 1901-1909  
Theodore Roosevelt is mostly remembered as the twenty-sixth President of the United States (1901-1909), but this astonishingly multifaceted man was a great many other things as well. In addition to holding elective office as a New York S...
 
    Max Planck, Inventor of Quantum Theory  
Max Karl Ernst Ludwig Planck was a German physicist who is considered to be the inventor of quantum theory. In 1899, he discovered a new fundamental constant, which is named Planck's constant, and is, for example, used to calculate the ener...
 
    Georges Gilles de la Tourette, Tourette Syndrome  
Georges Albert Édouard Brutus Gilles de la Tourette was a French physician and the eponym of Tourette syndrome, a neurological condition. He could be retrospectively classified as a neurologist, but the field did not exist in his time. T...
 
    Cargill Gilston Knott, Seismological Pioneer  
Prof Cargill Gilston Knott was a Scottish physicist and mathematician who was a pioneer in seismological research. He spent his early career in Japan. He later became a Fellow of the Royal Society, Secretary of the Royal Society of Edinburg...
 
    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...
 
    J. J. Thomson, Discovers the Electron, 1897  
In 1897 in Cambridge, J J Thomson experimented on cathode rays. In Britain, physicists had argued these rays were particles, but German physicists disagreed, thinking they were a type of electromagnetic radiation. Thomson showed that cathod...
 
    Nikola Tesla, Electrical Engineer  
Nikola Tesla was an inventor, mechanical engineer, and electrical engineer. He was one of the most important contributors to the birth of commercial electricity, and is best known for his many revolutionary developments in the field of elec...
 
    Salomon Andrée, Polar Explorer  
Salomon August Andrée, during his lifetime most often known as S. A. Andrée, was a Swedish engineer, physicist, aeronaut and polar explorer who died while leading an attempt to reach the Geographic North Pole by hydrogen balloon. The balloo...
 
    Sergei Korsakoff, Russian Neuropsychiatrist  
Sergei Sergeievich Korsakoff was a Russian neuropsychiatrist, known for his studies on alcoholic psychosis. His name is lent to the eponymous Korsakoff's syndrome and Wernicke–Korsakoff syndrome. Korsakoff was one of the greatest neurop...
 
    Poincaré, Founder Modern Chaos Theory  
Jules Henri Poincaré was a French mathematician, theoretical physicist, and a philosopher of science. He is often described as a polymath, and in mathematics as The Last Universalist, since he excelled in all fields of the discipline as it...
 
    Aletta Jacobs, 1st Dutch Female Student  
Aletta Jacobs was the first woman in Dutch history to be officially admitted to university. This took place in 1871. As a schoolgirl she had written a letter to Prime Minister Thorbecke requesting permission to be allowed to attend “academi...
 
    Kamerlingh Onnes, Dutch Physicist  
Heike Kamerlingh Onnes was a Dutch physicist. His scientific career was spent exploring extremely cold refrigeration techniques and the associated phenomena. In 1908, he was the first physicist to liquify helium, using cryostats. Using the...
 
    Hendrik Lorentz, Dutch Physicist  
Hendrik Antoon Lorentz was a Dutch physicist who shared the 1902 Nobel Prize in Physics with Pieter Zeeman for the discovery and elucidation of the Zeeman effect. Lorentz studied physics and mathematics at the University of Leiden, where...
 
    Antoine Becquerel, Evidence of Radioactivity  
Antoine Henri Becquerel was a physicist, Nobel laureate, and the first person to discover evidence of radioactivity. For work in this field he, along with Marie Curie and Pierre Curie, received the 1903 Nobel Prize in Physics. The SI unit f...
 
       
         
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