Jean van Heijenoort
Jean Louis Maxime van Heijenoort was a historian of mathematical logic. He was also a personal secretary to Leon Trotsky from 1932 to 1939, and an American Trotskyist until 1947. Wikipedia
Born: July 23, 1912, Creil, France
Died: March 29, 1986 (age 73 years), Mexico City, Mexico
Education: New York University