Use a sea saw.
or
To the dock.
or
First he lies on one side, then he lies on the other.
or
Two — one to screw it most of the way in and the other to give it a surprise twist at the end.
or
Three:
One to write the light bulb removal program,
one to write the light bulb insertion program, and
one to act as a light bulb administrator to make sure nobody else tries to change the light bulb at the same time.
or