National Museum of Nuclear Science & History
Ralph McElroy worked for the Kellex Corporation at the K-25 Plant.
D. E. Gaskins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Katharine “Kay” Way (1903-1995) was an American physicist and one of the Manhattan Project’s leading female scientists.
Frederick Roach served in the Army at Los Alamos during the Manhattan Project.