National Museum of Nuclear Science & History
Charles W. Hagen was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Paul Petretzky worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward S. Knox served in the 320th Troop Carrier Squadron.
Lucien Nerman was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.