National Museum of Nuclear Science & History
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
E. S. Ethridge worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Paris Howard was a member of the Special Engineering Detachment (SED) assigned to Los Alamos from May 1945 to April 1946.
Beyer worked in the United States Engineer District Office.