National Museum of Nuclear Science & History
George Ponton served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Robert Muller worked for the United States Engineer District Office.
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
Margaret Schelberg was a nurse at Los Alamos during the Manhattan Project. She was married to physicist Arthur Schelberg.
