Oliver W. Gold

Gus Essig

Gus Essig began working on the Manhattan Project in May, 1946 in Dayton, Ohio. Essig was selected to work in the highly classified initiator program and spent several months at Los Alamos learning how to design and construct initiators.

C. E. Hockmeyer

Francis Bernard Donlan

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

E. P. Graham

E. P. Graham worked for the Tennessee Eastman Corporation at the Y-12 Plant.