Robin Williams died at 63 August 13 2014, rest in peace.
The most memorable scene in Good Will Hunting is this screenshot of Will and his shrink (Robin Williams). Matt Damon plays a math genius with personality flaws. Robin Williams shows him his file and past life and tells him "It's Not Your Fault". Over and over again until Matt Damon's character gets it.
Robin Williams earns his Oscar for Best Supporting Actor in this role.