National Museum of Nuclear Science & History
O. L. Maddox worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Eleanor Ewing Ehrlich (1918-2011) was an American mathematician. During the Manhattan Project, Ewing worked at Los Alamos and helped run the IBM calculating team.
Leonard Reed was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Bloch worked in the United States Engineer District Office.
