Stanley Kruger

Clark W. Royer

Clark Royer worked for the United States Engineer District Office.

E. S. Ethridge

E. S. Ethridge worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Frederick M. Francis

Gale Young

Gale Young was a research associate in theoretical studies at the University of Chicago Met Lab. Before joining the Manhattan Project in 1942, Young taught mathematics and physics at Olivet College.