Edgar Feiler

M. G. Davis

M. G. Davis worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Albert R. McNellis

Thelma Clark

Thelma Clark worked for the Roane-Anderson Company.

Ambroso Hoelscher

Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.