National Museum of Nuclear Science & History
L. M. Haisten 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.
R. W. Engels worked at the 300 Area at Hanford during the Manhattan Project.
Logan Emlet was the Director of the Operations Division at the X-10 reactor in Oak Ridge, TN during the Manhattan Project.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
