ThaddeusJ Trenn

Ludwik Fleck (Polish: [ˈludvik ˈflɛk]; Hebrew: לודוויק פלק; 11 July 1896 – 5 June 1961) was a Polish 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 "Denkstil" ("thought style") and "Denkkollektiv" ("thought collective"). Fleck's concept of "thought collective" is important in the philosophy of science and in logology (the "science of science"), helping explain how scientific ideas change …