National Museum of Nuclear Science & History
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
C. H. Roddy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. B. McCullough served in the 509th Headquarters and Base Services Squadron.
Howard Muller was a staff worker at Los Alamos during the Manhattan Project.