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.
Martin Skinner was born and raised in Michigan, just outside of Detroit. He was trained in Chemical Engineering at Michigan State University before joining the army.