National Museum of Nuclear Science & History
LeRoy Grigsby worked for the Roane-Anderson Company.
Mary Fitzgerald worked for the Edenfield Electric Company.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
V. Brower served in the 509th Headquarters and Base Services Squadron.
A. D. Lawrence worked for the Roane-Anderson Company.