He holds it up to the socket and the world revolves around him.
Only one. They just hold it still and wait for the world to revolve around them.
Just one. He holds up the bulb and waits for the world to revolve around him.
By holding the bulb up to the socket and waiting for the world to revolve around them.
He holds the light-bulb over the socket and waits for the world to revolve around him.
They have a photogenic memory.