National Museum of Nuclear Science & History
Frederick Rich worked for the Union Carbide & Carbon Corporation.
Paul Murphy worked for the Roane-Anderson Company.
William Steadman was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
D. W. Latimore worked for Clinton Laboratories at the X-10 Reactor.
Jessen worked at the 200 East Area at Hanford during the Manhattan Project.