National Museum of Nuclear Science & History
Bill Hackney worked for the H. K. Ferguson Company.
Kenneth Greisen was an American physicist. He worked on the Manhattan Project at Los Alamos. He was the leader of Group X-1A (Photogoraphy with Flash X-Rays) until it was dissolved in May 1945.
Frances I. Armstead was a staff member at Los Alamos during the Manhattan Project.
