MATHEMATICIAN

Stephen Cole Kleene

1909 - 1994

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Stephen Cole Kleene ( KLAY-nee; January 5, 1909 – January 25, 1994) was an American mathematician. One of the students of Alonzo Church, Kleene, along with Rózsa Péter, Alan Turing, Emil Post, and others, is best known as a founder of the branch of mathematical logic known as recursion theory, which subsequently helped to provide the foundations of theoretical computer science. Kleene's work grounds the study of computable functions. A number of mathematical concepts are named after him: Kleene hierarchy, Kleene algebra, the Kleene star (Kleene closure), Kleene's recursion theorem and the Kleene fixed-point theorem. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Stephen Cole Kleene is the 496th most popular mathematician (down from 392nd in 2019), the 4,146th most popular biography from United States (down from 3,109th in 2019) and the 31st most popular American Mathematician.

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Among MATHEMATICIANS

Among mathematicians, Stephen Cole Kleene ranks 496 out of 1,004. Before him are Pierre Vernier, Otto Hölder, Auguste Kerckhoffs, Lazarus Fuchs, Simon von Stampfer, and Friedrich Hirzebruch. After him are Pierre Wantzel, Aleksandr Khinchin, Friedrich Robert Helmert, Issai Schur, Paul Halmos, and Ian Stewart.

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Contemporaries

Among people born in 1909, Stephen Cole Kleene ranks 149. Before him are Bert Patenaude, Gene Krupa, Henri Alekan, Lamberto Maggiorani, Géza Toldi, and Max Baer. After him are Georg Konrad Morgen, Luigi Villoresi, Kató Lomb, Christophe Soglo, Miklós Radnóti, and Toshiko Yuasa. Among people deceased in 1994, Stephen Cole Kleene ranks 152. Before him are Derek Jarman, Maria Carta, Nicole Brown Simpson, Elga Andersen, Anni Albers, and Frederick Copleston. After him are Ales Adamovich, Roy J. Plunkett, Grigol Abashidze, Leonid Leonov, Mildred Natwick, and Joe Pass.

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In United States

Among people born in United States, Stephen Cole Kleene ranks 4,146 out of 20,380. Before him are Jon Bernthal (1976), Jonathan Groff (1985), Jane Lynch (1960), Larry Wall (1954), Kamehameha V (1830), and Ahmad Jamal (1930). After him are E. C. Segar (1894), William Larned (1872), Jesse Jackson (1941), Robert Sapolsky (1957), Q-Tip (1970), and Edward Bunker (1933).

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Among MATHEMATICIANS In United States

Among mathematicians born in United States, Stephen Cole Kleene ranks 31. Before him are Sal Khan (1976), Mitchell Feigenbaum (1944), William Thurston (1946), Sam Loyd (1841), James Waddell Alexander II (1888), and Whitfield Diffie (1944). After him are Richard Hamming (1915), Dennis Sullivan (1941), George David Birkhoff (1884), Julia Robinson (1919), Richard E. Bellman (1920), and Andrew M. Gleason (1921).

American born Mathematicians

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