National Museum of Nuclear Science & History
Harrison Brown (1917-1986) was an American geochemist. He worked at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) and Oak Ridge sites during the Manhattan Project.
Gordon Waters was a staff worker at Los Alamos during the Manhattan Project.
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.