National Museum of Nuclear Science & History
A. J. Erickson worked for the Kellex Corporation at the K-25 Plant.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ellis E. Cozad served in the 1st Ordnance Squadron.
W. B. Caldwell worked for Clinton Laboratories at the X-10 Reactor.
Babcock worked at the 300 Area at Hanford during the Manhattan Project.
