National Museum of Nuclear Science & History
F. M. Livingston, Jr. worked for the Roane-Anderson Company.
R. M. Falkner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Sommer worked for the Roane-Anderson Company.
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.