National Museum of Nuclear Science & History
B. O. Yeldell worked for the Edenfield Electric Company.
Clark worked in the United States Engineer District Office.
Bertram J. Kade served in the 393rd Bombardment Squadron.
Joseph Hans worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. E. Stapleton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
