National Museum of Nuclear Science & History
A. R. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Wilbur L. Waggoner served in the 320th Troop Carrier Squadron.
J. W. Stein worked for the Union Carbide & Carbon 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.