National Museum of Nuclear Science & History
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.
Bell worked at the 200 West Area at Hanford during the Manhattan Project.
H. J. Peyton worked for the United States Engineer District Office.