National Museum of Nuclear Science & History
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
Harris worked in the United States Engineer District Office.
J. W. Moss worked for the Union Carbide & Carbon Corporation.
Marcelline Peltier was a staff worker at Los Alamos during the Manhattan Project.
