National Museum of Nuclear Science & History
C. A. Billings worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).
Alta Wilson worked for the Kellex Corporation at the K-25 Plant.