National Museum of Nuclear Science & History
Stanley Liebert was a machinist in the SAM Laboratory at Columbia University between 1944 and 1945.
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.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
