National Museum of Nuclear Science & History
H. C. Smith worked for the United States Engineer District Office.
M. L. Olsgaard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
