National Museum of Nuclear Science & History
Irvin F. Poehls served as a technical sergeant in the 390th Air Service Group.
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.
Harding worked at the 300 Area at Hanford during the Manhattan Project.
Joseph L. Connaughton served in the 393rd Bombardment Squadron.
