National Museum of Nuclear Science & History
S. B. Robertson worked for the United States Engineer District Office.
Bustos worked at Los Alamos during the Manhattan Project.
J. R. McClellan worked for the Roane-Anderson Company.
Carl Helrich (1895-1971) was a civil engineer for the J.A. Construction Company from 1943 to 1945 and helped construct the Oak Ridge town site and plant area.