National Museum of Nuclear Science & History
N. F. Hanke worked for Clinton Laboratories at the X-10 Reactor.
Robert H. Maas served in the 603rd Air Engineering Squadron.
James C. Hart was a DuPont chemist and member of the health physics group during the Manhattan Project.
Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.