All of the usual, books, movies, art, friends etc.
Artists and others.
All of it.
Before Atari, Nintendo, XBox, and the like, there was Star Wars! Without pioneers like George Lucas or Gene Roddenberry, where would we be? So.. Star Wars gets my vote!
nah!
The Young Poisoners Handbook, The Messiahs Handbook, my ibook.
Abraham Lincoln, Martin Luther King, Gandhi, Jesus, the guy who invented pc technology, others..