National Museum of Nuclear Science & History
A. J. Erickson worked for the Kellex Corporation at the K-25 Plant.
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.
B. W. Bonini worked for the Tennessee Eastman Corporation at the Y-12 Plant.