National Museum of Nuclear Science & History
M. L. Piker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
James H. Alexander was a staff member at Los Alamos during the Manhattan Project.
Margaret Strombeck was a swtichboard operator at the Metallurgical Laboratory in Chicago during the Manhattan Project.
