Atomic Bomb: The Great Artiste:8"x10" photogaph autographed by seven (7) Crewmembers who flew the B29 to Nagasaki on August 9 th with Scientists on board who dropped three instruments on parachutes the same time the Atomic Bomb was dropped; the instruments measured the sound of the bomb which the Scientists converted to explosive force. This crew traded planes with the Sweeney Crew whose assigned plane was the Great Artiste, this crew's assigned plane was the Bockscar which the Sweeney crew flew carrying the Atomic Bomb, signed by Bill Barney," Bill Barney- Radar", Hugh Ferguson," Hugh Ferguson-Pilot", Ralph Curry, " Ralph Curry-Radio", Len Godfrey, "Len Godfrey-Navigator", Fred Bock," Fred Bock, A/C-Nagasaki", Robert Stock, " R.J. Stock-Tail Gunner," Ralph Belanger," Ralph Belanger- Asst. Flt. Engr/Scanner"