National Museum of Nuclear Science & History
A. L. Crawford worked for the J.A. Jones Construction Company.
S. B. Robertson worked for the United States Engineer District Office.
Yates worked at the 300 Area at Hanford during the Manhattan Project.
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.
