National Museum of Nuclear Science & History
Jas Hoff worked for the United States Engineer District Office.
Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. Warden worked for the Edenfield Electric Company.
J. A. Vavro served in the 509th Headquarters.
G. H. Killips worked for the Tennessee Eastman Corporation at the Y-12 Plant.
