National Museum of Nuclear Science & History
B. H. Hagedorn worked for the Edenfield Electric Company.
Sadelle T. Greenblatt was a research assistant in the Instruments Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Joseph Largur served in the 603rd Air Engineering Squadron.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.