National Museum of Nuclear Science & History
Ossie Parker worked for the Edenfield Electric Company.
C. E. Hauth worked for the Hooker Electrochemical Company.
W. Maddox worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lawrence B. Magnusson was a research associate at the Metallurgical Laboratory at the University of Chicago.
