National Museum of Nuclear Science & History
Philip Vincent was a research associate at the Chicago Met Lab during the Manhattan Project.
Robert E. Armstrong was a staff member at Los Alamos during the Manhattan Project.
Arnold Tiller worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.