John A. Glass

F. W. Hammer

C. E. David

C. E. David worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Walter R. Julek

Walter R. Julek was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

M. C. Barto

M. C. Barto worked for the Roane-Anderson Company.