National Museum of Nuclear Science & History
J. Guarneri worked for the Roane-Anderson Company.
Leon Cooper served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Next Objective.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Beckwith worked in the United States Engineer District Office.
