National Museum of Nuclear Science & History
H. F. Zimmerman worked for the J.A. Jones Construction Company.
James Gordon was an electrical engineer working as a civilian contractor for the DuPont Company at the Hanford, Washington site for the Manhattan Project.
H. Bryant Jr. worked in the Instrument Section at the University of Chicago Met Lab during the Manhattan Project.
Marvin D. Cooke worked for the J.A. Jones Construction Company.
