National Museum of Nuclear Science & History
Horace Reeves worked for the J.A. Jones Construction 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.
D. M. Ellett is a mechanical engineer who joined the Manhattan Project after the end of World War II.
Calvin worked in the United States Engineer District Office.
A. P. Nowlin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
