National Museum of Nuclear Science & History
M. A. Ruth worked for the United States Engineer District Office.
John P. Crisp, from Robbinsville, NC, helped construct the K-25 plant in Oak Ridge while working for the G.
Grafton worked in the United States Engineer District Office.
General Lyle Edward “Skip” Seeman was a United States Army Corps of Engineers Officer. He was also a Manhattan Engineering District Special Assistant to General Groves at Los Alamos On May 3, 1945 Col Seeman was appointed by General Leslie Groves to be his Corps of Engineers liaison at Los Alamos.
Bob B. Mullins served in the 603rd Air Engineering Squadron.