National Museum of Nuclear Science & History
McCabe worked for Stone and Webster Engineering Corporation.
Catherine Cordoba worked at the Houdaille Hershey plant in Decatur, Illinois on the night shift of the plating department.
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.
E. M. Kelman worked for the Tennessee Eastman Corporation at the Y-12 Plant.