National Museum of Nuclear Science & History
Manning worked for Stone and Webster Engineering Corporation.
W. C. Spurgeon worked for the United States Engineer District Office.
Ralph Nobles was one of three brothers to work on the Manhattan Project. He and his brother William worked at Los Alamos, while brother Robert was at the University of Chicago’s Metallurgical Laboratory.
F. C. Liepman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
