National Museum of Nuclear Science & History
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
R. E. Buntley worked for the Roane-Anderson Company.
Charles Hensley worked for the United States Engineer District Office.
J. K. Shamsey worked for the Union Carbide & Carbon Corporation.