National Museum of Nuclear Science & History
Clayton Plummer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
D. T. Witt worked for the Roane-Anderson Company.
Major Frank Salfingere served in the Army at Los Alamos during the Manhattan Project.
Beckwith worked in the United States Engineer District Office.
Mary McCormick was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
