National Museum of Nuclear Science & History
Dietrich worked in the United States Engineer District.
Uzal Girard Ent was a United States Army Air Forces Officer and Commanding General, Second Air Force, headquartered in Colorado Springs, CO.
G. N. Sawdy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.