National Museum of Nuclear Science & History
R. H. Elder worked for the Edenfield Electric Company.
Jas Ellis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Paul McKim worked for the United States Engineer District Office.
H. B. Hansard, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.