Arthur S. Covert

Ralph R. Shelley

Ralph Shelley worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Paul Gerhard

Paul Gerhard worked for the Kellex Corporation at the K-25 Plant.

C. E. Obenchain

Francis Bernard Donlan

Francis Bernard “Bernie” Donlan was an American photographer and a clerk at the Chicago Met Lab during the Manhattan Project.