National Museum of Nuclear Science & History
William J. Larkin worked in Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.
R. E. Bumgargner worked for the J.A. Jones Construction Company.
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.