National Museum of Nuclear Science & History
Delbert Ball was a procurement officer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
James W. Davis served as a master sergeant in the 393rd Bombardment Squadron. He was the flight engineer on the B-29 Jabit III on the Hiroshima mission.
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
