National Museum of Nuclear Science & History
J. R. Hatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lee W. Trybell worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Dellis Caho was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Carl Kaddatz served in the 1st Ordnance Squadron.
F. J. Troy worked for the United States Engineer District Office.
