National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Ethol Strom was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Nathan Safferstein (1921-2013) was an American counterintelligence agent during the Manhattan Project.
Alan Vorwald was a mathematician in the Special Engineer Detachment at Los Alamos. Vorwald was a part of the theoretical physics division under Hans Bethe and Richard Feynman, specializing in the computing department.
William C. Sowers served in the 393rd Bombardment Squadron.