National Museum of Nuclear Science & History
M. A. Obermeyer worked for the J.A. Jones Construction Company.
John McKim worked for the Kellex Corporation at the K-25 Plant.
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ruth Boe worked at the Met Lab in Chicago from November 1943 through June 1945. She was in Farrington Daniels’ division, in the graphite research section.
B. W. Bonini worked for the Tennessee Eastman Corporation at the Y-12 Plant.