National Museum of Nuclear Science & History
L. G. Chelius worked for the Tennessee Eastman Corporation at the Y-12 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.
M. C. Labarr worked for the Kellex Corporation at the K-25 Plant.