National Museum of Nuclear Science & History
Barnes worked in the United States Engineer District Office.
John W. Gofman was an American scientist who helped develop plutonium separation techniques during the Manhattan Project.
Charles Allen Thomas (1900-1982) was an American chemist and industrial leader. Thomas was recruited to join the Manhattan Project in 1942 by General Groves, who offered him a postion as a deputy to Robert Oppenheimer, the director of the Los Alamos Laboratory in New Mexico.
