National Museum of Nuclear Science & History
John Hodgson worked for the United States Engineer District Office.
N. J. Johnson worked for Hanley & Company.
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.
