National Museum of Nuclear Science & History
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.
Reginald C. Augustine served in the Army Air Corps during World War II. In 1944, he was assigned to the Alsos Mission, the Manhattan Project’s counterintelligence mission in Europe to determine how far Nazi Germany had gotten on the path to building an atomic bomb.
Maurice C. Cangilla served in the 1st Ordnance Squadron.