National Museum of Nuclear Science & History
G. C. Hyneman worked for the Edenfield Electric Company.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Carl R. Erickson served in the 320th Troop Carrier Squadron.
L. E. Combs worked for the Roane-Anderson Company.