Almost the entire crew, anyway... The ball-turret gunner (who was going to be a cartoonist after the war) was trapped in his turret and was going to die because they couldn't get the gear down... But rather than just give up and let go, the ball-gunner used his imagination (and "magic sketch-pad") to do this:
Apparently, they also had some pretty good lighting in the tunnel under the flightdeck..