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Stephen Cole Kleene, American mathematician, computer scientist, and academic (born 1909)
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Stephen Cole Kleene
American mathematician (1909–1994)
Stephen Cole Kleene 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…Source: Wikipedia (CC BY-SA)