John G. Acker

Charles Robert Emigh

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.

T. O’Rouark

T. O’Rouark worked for the United States Engineer District Office.

Frank J. Kukla, Jr.

Eugene Wagner

Eugene Milton Wagner was a construction general contractor who worked for the J.A. Jones Construction Company at the Oak Ridge, Tennessee site as a construction engineer.