National Museum of Nuclear Science & History
Charles Mignon worked for the Kellex Corporation at the K-25 Plant.
Jack Robinson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Daniel J. Keefe was a security guard 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.
Donald O. Cole served as a corporal in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.