National Museum of Nuclear Science & History
John Nicklin worked for the United States Engineer District Office.
D. L. Donavan 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.
I. E. Martin worked for the Union Carbide & Carbon Corporation.
