T. N. Stapleton

Philip Grant Koontz

Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Marion Bomar

John R. Ruhoff

John Ruhoff worked for the United States Engineer District Office.

H. E. Burns

H. E. Burns worked for the Tennessee Eastman Corporation at the Y-12 Plant.