Mark Kac
Polish-American mathematician
Mark Kac was a Polish American mathematician. His main interest was probability theory. His question, "Can one hear the shape of a drum?" set off research into spectral theory, the idea of understanding the extent to which the spectrum allows one... Wikipedia
Born: August 16, 1914, Kremenets', Ukraine
Died: October 25, 1984 (age 70 years), Southern California, CA