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.
Warren Sharp was a chemical engineer employed at the K-25 Plant in Oak Ridge, Tennessee. Sharp assisted with the gaseous diffusion process as a civilian after unsuccessfully trying to enlist in military service.
Joseph A. Gagnon served in the 320th Troop Carrier Squadron.
