National Museum of Nuclear Science & History
Henry Ward worked for the United States Engineer District Office.
Leon O. Jacobson was Associate Director of the Health Division and Section Chief of H-I, Clinical Medicine and Medical Research, at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Edward B. Doocy worked for the Watson-Flagg Engineering Company.
Nathan Safferstein (1921-2013) was an American counterintelligence agent during the Manhattan Project.
