National Museum of Nuclear Science & History
G. M. Parrish worked for the Roane-Anderson Company.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
B. M. Pitts worked for the Tennessee Eastman Corporation at the Y-12 Plant.