National Museum of Nuclear Science & History
Daniel D. Friel was a chemical engineer for the DuPont Company who joined the Manhattan Project at the University of Chicago in 1943.
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.
W. Neil Rogers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
