I am really sad about Robin Williams's death. I found out about it by chance last night from a yahoo news feed, which I normally never see. It's especially sad because it follows on the heels of Phillip Seymour Hoffman's death. Both were master artists in their way (despite a lot of really bad movies Williams starred in), both apparently were struggling with psychological demons and addiction. I'm usually not one to follow or care about the lives of celebrities I don't know, but I grew up with these guys' work--they played a part in shaping my surroundings and who I am.
Here is an old video of Robin Williams from Sesame Street: