National Museum of Nuclear Science & History
M. Clawson worked for the Roane-Anderson Company.
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.
Raymond Schwartz grew up in West Allis, WI. After graduating from high school, he worked as an apprentice machinist for Allis Chalmers Corporation, until enlisting in the Army in February 1943.