National Museum of Nuclear Science & History
John Armstrong worked for the Kellex Corporation at the K-25 Plant.
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.
Jas C. Deane worked for the Fercleve Corporation.
