News of the death of Robin Williams prompted many of his colleagues, friends, fellow entertainers and famous fans to send heartfelt messages of remembrance Monday via Twitter. Here are a sampling:
Steve Martin (@SteveMartinToGo): "I could not be more stunned by the loss of Robin Williams, mensch, great talent, acting partner, genuine soul."
Physicist Neil deGrasse Tyson (@neiltyson): "Mork from Ork: Rare evidence that aliens can be smart, clever, articulate & funny. Robin Williams, RIP"
Actress Marilu Henner (@TheRealMarilu): "I am in shock.I had never seen him happier & more positive in all the yrs I've known him. There's no one like him. Robin Williams RIP"
Comedian George Wallace (@MrGeorgeWallace): "Shout out to my friend Robin Williams. 63 great years of laughter. RIP"
No Doubt bassist Tony Kanal (@Tonykanal): "Thank you Robin Williams."
Comedian Jim Norton (@JimNorton): "There is no way Robin Williams could have seen himself the way everyone saw him. What terribly sad and frustrating news."
Comedian Frank Caliendo (@FrankCaliendo): "RIP Robin Williams. He and Jonathan Winters were two of my favorites to watch as a kid. #GoneTooSoon"
Comedian/actor/screenwriter Thomas Lennon (@thomaslennon): "Stunned about Robin Williams. Funniest person I was lucky enough to meet."
Comedian Jim Gaffigan (@JimGaffigan): "No, just no! @robinwilliams NO! Such a sweet man. RIP"
Actor/comedian Jay Mohr (@jaymohr37): "When I was a kid, my parents and I would watch Robin Williams VHS tapes until they wore out. Words cannot describe what a loss this is."
A Storify of mourners on social media: