National Museum of Nuclear Science & History
H. J. Mack worked for the Edenfield Electric Company.
Bernard T. Feld was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. F. Godsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
