National Museum of Nuclear Science & History
Roger Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
N.F. Bowman was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
During WWII, Robert Goodell was a member of the Special Engineer Detachment (SED) and worked as the Technical Supervisor at the Y-12 Plant at Oak Ridge, TN.