National Museum of Nuclear Science & History
Jerry Grubaugh, Jr. served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Next Objective.
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.
Walter J. Grundhauser was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
