National Museum of Nuclear Science & History
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Derward A. Stevens served as a corporal in the 393rd bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.
Roy D. Kuhner served in the 1st Ordnance Squadron.
Perry O. Williams served in the First Ordnance Squadron.