J. Carson Mark

Jordan Carson Mark was a Canadianborn mathematician best known for his work on developing nuclear weapons for the United States at the Los Alamos National Laboratory. Mark joined the Manhattan Project in 1945, and continued to work at Los Alamos under the leadership of Norris Bradbury after World War II ended. He became the leader of the Theoretical Division at the laboratory in 1947, a position he held until 1973. He oversaw the development of new weapons, including the hydrogen bomb in the 1950s. On the hydrogen bomb project he was able to bring together experts like Edward Teller, Stanislaw Ulam and Marshall Holloway despite their personal differences.

Jordan Carson Mark was born in Lindsay, Ontario, July 6, 1913. He had a brother, James, and five sisters, Margaret, Dorothy, Muriel, Frances and Tony. He received a Bachelor of Arts degree in mathematics and physics from the University of Western Ontario in 1935, and a Doctor of Philosophy in mathematics from the University of Toronto in 1938, writing his thesis On the Modular Representations of the Group GLH under the supervision of Richard Brauer.

Source: Wikipedia