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Karl Popper was born July 28, 1902 in Vienna, to Jewish parents.
All information in this timeline is drawn from the following source unless noted otherwise.
Thornton, Stephen, "Karl Popper", The Stanford Encyclopedia of Philosophy (Fall 2018 Edition), Edward N. Zalta (ed.), URL = https://plato.stanford.edu/archives/fall2018/entries/popper/ -
1919 is the year when Karl Popper became heavily involved in left wing politics, and for a period of time, became a Marxist. He also discovered the psychoanalytical theories set forth by Adler and Freud. He observed that Einstein's theories had testable ideas. Meanwhile Marx, Freud, and Adler's ideas were set up only to be confirmed.
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In 1929, Popper became accredited to teach math and physics in secondary school, and began a doctoral program in the department of psychology at the University of Vienna.
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Karl Popper married Josephine Anna Henninger in 1930, the two agreed to never have children, and she looked after his welfare during their lives together.
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In 1934, Popper published his first book titled The Logic of Scientific discovery. In this book Popper rejects inductive empiricism and developmental historicism.
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During the time frame listed, Popper published several books covering what are know to be his greatest contributions. He rejects the inductive method and staunchly supports falsifiability. Popper believes that it is more important to have a hypothesis that lacks the ability to be proven wrong, than one that can only be proven correct. https://www.youtube.com/watch?v=wf-sGqBsWv4
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In 1965 Karl Popper was knighted by the British Crown, for his contributions to the philosophical sciences and his influences in the community.
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Karl Popper died in London, England. He was 92 years old.