National Museum of Nuclear Science & History
Jim Johnson was an ordnanceman at Los Alamos from 1944 to 1945. He was born on January 8, 1926, and started work at the Naval Ordnance Test Station at China Lake, Califiornia in 1944.
Harper Welton was a staff worker at Los Alamos during the Manhattan Project.
Arthur Widmer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
