Pinning down the precise moment of conception within any creative field is never a simple task. Events become generalized over time and survivors have the advantage of being able to rewrite history. Pornography is no different, so asking a seemingly simple question like who invented gonzo can bring forth numerous JFK-worthy theories.
Before we call in Oliver Stone for yet another cultural summation, there are certain facts that are incontrovertible. Or at least nearly incontrovertible.