National Museum of Nuclear Science & History
W. H. Grahm worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jean Wallace was a research assistant in the health division of the Chicago Met Lab during the Manhattan Project.
W. A. Van Fleet worked for the Roane-Anderson Company.
Marion Edward Cieslicki was an Polish American metallurgist who worked on the Manhattan Project from 1944 to 1946 at the University of Chicago and at Los Alamos.