National Museum of Nuclear Science & History
J. H. Marsh worked for the Kellex Corporation at the K-25 Plant.
Mattie was a staff member at Los Alamos during the Manhattan Project.
James Serduk was a staff worker at Los Alamos during the Manhattan Project.
J. D. Price worked for the Tennessee Eastman Corporation at the Y-12 Plant.
T. T. Metten worked for the United States Engineer District Office.