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Mark Kac (1914-1984) was born in the then Russian and now Ukrainian city of Kremenec, also the birthplace of the renowned violinist Isaac Stern. In 1922, when he was eight years old, the town became part of Poland and assumed the name Krzemieniec. Because he received virtually all of his education in Polish and was a Polish citizen on arriving, in 1938, in the United States, he always considered himself...
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