National Museum of Nuclear Science & History
Allen worked at the 200 West Area at Hanford during the Manhattan Project.
Raycliffe C. Davis was a graduate of Central College in Pella, Iowa. He joined the Army while living in Cedar Rapids, IA, and was assigned with Special Engineering Detachment in Oak Ridge, TN in April 1944.
J. B. Marcum worked for the Union Carbide & Carbon Corporation.
