National Museum of Nuclear Science & History
Gentry worked in the United States Engineer District Office.
F. M. Tench worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Charles F. McKnight served as a captain in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
