Ludwik Fleck
Polish-Israeli physician and biologist
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Ludwik Fleck was a Polish Jewish and Israeli physician and biologist who did important work in epidemic typhus in Lwów, Poland, with Rudolf Weigl and in the 1930s developed the concepts of the "Denkstil" and the "Denkkollektiv". Wikipedia
Born: July 11, 1896, Lviv, Ukraine
Died: June 5, 1961 (age 64 years), Ness Ziona, Israel
Influenced: Thomas Kuhn; Michel Foucault
Notable works: Genesis and Development of a Scientific Fact (1935, German; 1979, English)