George Carlin : The Kennedy Center Mark Twain Prize
"The Mark Twain Prize for American Humor is an American award presented by the John F. Kennedy Center for the Performing Arts"
The award is not intended to be given posthumously, but Carlin's death occurred between the announcement and the ceremony. Those there to honor Carlin included: Joan Rivers, Jon Stewart, Bill Maher, Lewis Black, Denis Leary, Margaret Cho, Garry Shandling, and Lily Tomlin.