National Museum of Nuclear Science & History
William L. Murphy was a Technical Sargeant in the US Army who worked as part of Project Alberta, the team that transported and assembled the two atomic bombs in July and August 1945.
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.
Bell worked in the United States Engineer District Office.