BIOLOGIST

Ludwik Fleck

1896 - 1961

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Ludwik Fleck (Polish pronunciation: [lud.vik flɛk], Hebrew: לודוויק פלק; 11 July 1896 – 5 June 1961) 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 "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 over time, much as in Thomas Kuhn's later notion of "paradigm shift" (on Fleck's possible influence on Kuhn, see Jarnicki and Greif) and in Michel Foucault's concept of "episteme". Fleck's account of the development of facts at the intersection of active elements of a thought collective and the passive resistances of nature provides a way of considering the culture of modern science as evolutionary and evidence-oriented. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Ludwik Fleck is the 400th most popular biologist (down from 233rd in 2019), the 355th most popular biography from Ukraine (down from 253rd in 2019) and the 7th most popular Ukrainian Biologist.

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Among BIOLOGISTS

Among biologists, Ludwik Fleck ranks 400 out of 1,097. Before him are James Bond, Alexander von Nordmann, Edwin Klebs, Johan Ernst Gunnerus, Theodor Boveri, and Georg Eberhard Rumphius. After him are Karl Koch, Pierre Joseph Bonnaterre, Harold E. Varmus, Lev Berg, Heinrich Anton de Bary, and June Almeida.

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Contemporaries

Among people born in 1896, Ludwik Fleck ranks 105. Before him are Carl Ludwig Siegel, Boris Podolsky, William A. Wellman, Stanisława Leszczyńska, Henry Allingham, and Besse Cooper. After him are Tadj ol-Molouk, He Long, Heimito von Doderer, Erich Hückel, Philip Showalter Hench, and Charlie Rivel. Among people deceased in 1961, Ludwik Fleck ranks 62. Before him are Grandma Moses, Herbert Pitman, Hélène Dutrieu, Howard P. Robertson, Robert Garrett, and Otto Ruge. After him are Bulbul, Vladimir Sofronitsky, Morris Travers, Max Simon, Princess Dagmar of Denmark, and Vanessa Bell.

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In Ukraine

Among people born in Ukraine, Ludwik Fleck ranks 355 out of 1,365. Before him are Stanisław Maczek (1892), Anna Bilińska (1854), Shaul Tchernichovsky (1875), Fedor Emelianenko (1976), Tekla Juniewicz (1906), and Mykhailo Drahomanov (1841). After him are Andrey Sheptytsky (1865), Felix Blumenfeld (1863), Israel Zolli (1881), Anatoliy Bondarchuk (1940), Anna Sten (1908), and Igor Sergeyev (1938).

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Among BIOLOGISTS In Ukraine

Among biologists born in Ukraine, Ludwik Fleck ranks 7. Before him are Élie Metchnikoff (1845), Trofim Lysenko (1898), Alexander Georg von Bunge (1803), Waldemar Haffkine (1860), Sergei Winogradsky (1856), and Michał Boym (1614). After him are Ivan Martinov (1771), and Alexander Alfonsovich Grossheim (1888).

Ukrainian born Biologists

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