William L. Wrede

Oswald Greager

Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.

Raymond L. Ledford

Raymond Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Rupert H. Roegner

Stephen Kasunic

Stephen Kasunic was a mechanical engineer. He worked on the Manhattan Project at Los Alamos, as a design engineer in the Weapons Experimental Experimental Physics (W-1) group on the steering committee for the gun-type bomb assembly.