National Museum of Nuclear Science & History
Harold Symons worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harry S. Truman (1884-1972) was the 33rd President of the United States of America. Truman first learned of the Manhattan Project after the death of President Roosevelt in April of 1945, when he relinquished his role as Vice President and took the oath of office as the next president of the United States.
Norris Bradbury (1909-1997) was an American physicist and director of the Los Alamos National Laboratory from 1945-1970.
