National Museum of Nuclear Science & History
James King worked at the Y-12 Plant in Oak Ridge, Tennessee, in the uranium purification process from February 1944 to February 1947.
Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.
Ned McWherter served in the 1st Ordnance Squadron.
