National Museum of Nuclear Science & History
A. O. Seidel worked for the Asbestos & Magnesia Materials Company.
V. J. Johnson worked for the Union Carbide & Carbon Corporation.
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.
