National Museum of Nuclear Science & History
Irvin Mastin worked for the J.A. Jones Construction 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.
Clarence Buren worked for the Kellex Corporation at the K-25 Plant.
