National Museum of Nuclear Science & History
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
F. H. Holbrook worked for the United States Engineer District Office.
T. T. Metten worked for the United States Engineer District Office.
L. G. Chelius worked for the Tennessee Eastman Corporation at the Y-12 Plant.
S. B. Spracklen worked for the Union Carbide & Carbon Corporation.
