Sam Wanamaker Playhouse
It's understood that he started as an actor, learning his craft as an unknown. What he did next was extremely canny, and something somewhat outside the realms of possibility for writers, producers, or actors in this modern world.
Hopefully, that last question is the one that most writers keep in their minds above all. We hope that if we make it true and we make it well, it will chime a chord with people enough to do the rest.