National Museum of Nuclear Science & History
J. R. Maddy worked for the United States Engineer District Office.
Charles Tardiff worked for the Kellex Corporation at the K-25 Plant.
Arthur N. Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John A. Wilson served as a captain in the 393rd Bombardment Squadron. He was the aircraft commander on the B-29 Jabit III on the Hiroshima mission.
