National Museum of Nuclear Science & History
John Stiles worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harold Evans was an American chemist. Evans was born in 1907 in Brazil, Indiana. He received a B.S. and an M.
Butts worked for Stone and Webster Engineering Corporation.
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.
