National Museum of Nuclear Science & History
John Vach was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Bernard T. Feld was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Creekmore worked at the 100-F Area at Hanford during the Manhattan Project.
T. F. Hanley, Jr. worked for Hanley & Company.