National Museum of Nuclear Science & History
Major John J. Moran was assigned to the Manhattan Engineer District in Oak Ridge, TN from June 6, 1942 to January 12, 1946.
Donald D. Piehl served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.
Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.
Henry Ward worked for the United States Engineer District Office.
