National Museum of Nuclear Science & History
Joseph Kouba was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ralph Nash worked for the Roane-Anderson Company.
Mike Cohen worked for the A. S. Schulman Electric Company.
Clarence E. Britt served as a corporal in the 393rd Bombardment Squadron. He was the assistant engineer/scanner regularly assigned to the B-29 Next Objective.