. "Mark Kac (/k\u0251\u02D0ts/ KAHTS; Polish: Marek Kac; 3 August 1914 \u2013 26 October 1984) was a Polish American mathematician. He was born to a Polish-Jewish family; their town, Kremenets (Polish: \"Krzemieniec\"), changed hands from the Russian Empire to Poland when Kac was a child. His main interest was probability theory."@en . . . . . "1984-10-26Z"^^ . . "1984Z"^^ . . . . . . . . "1914Z"^^ . "Polish-American mathematician" . "1914-08-03Z"^^ . . . . . "Kac, Mark"@en . . . . "Mark Kac"@en . . .