National Museum of Nuclear Science & History
Bell worked at the 200 West Area at Hanford during the Manhattan Project.
Ruth Rhoades was an associate biologist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Joseph H. Cummins served in the 320th Troop Carrier Squadron.
A. O. Seidel worked for the Asbestos & Magnesia Materials Company.
Roscoe Charles Wilson was a United States Army Air Forces Officer. At the rank of Colonel he was the overall Project Office to the Manhattan Engineering District from June 1943 to December 1944.