National Museum of Nuclear Science & History
Col. Oliver Haywood was on General Leslie Groves‘ staff from May to December 1946. Haywood had a long military career after graduating from West Point in 1936 and receiving both a M.
W. H. Grahm worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bob Emigh was in the Navy and worked with Deak Parsons on telemetry for the bombs. He was assigned as the science officer for the planned third bomb.