The end of an era in film was marked yesterday when legendary film critic Roger Ebert passed away after a lengthy battle with throat cancer. He was 70 years old.

Celebrities of all kinds, even those whose films may have gotten a pounding or two over the years from Roger, took to Twitter yesterday and paid their respects to the world's first Pulitzer Prize-winning film critic.

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Barack Obama: The movies won't be the same without Roger.

Richard Roeper (Gene's current film reviewing sidekick): In the Sun-Times' newsroom on the day it was announced I was Roger's new partner. A great man. I miss him already.

Kevin Smith: Dammit! @EbertChicago died. My review: An iconic game-changer, Roger brought film criticism AND movie-loving to the mainstream. 2 Thumbs up.

Steve Martin: Goodbye Roger Ebert, we had fun. The balcony is closed.

Jimmy Kimmel: Roger Ebert was an excellent writer, a gifted artist and as nice a guy as you'll ever meet. Sad he's gone.

Larry King: Sad to hear about the passing of Roger Ebert, he was a grand man & in my opinion the dean of American film critics-he will be sorely missed.

Joan Rivers: Just heard about the death of Roger Ebert. He was a nice, nice man. I truly liked him - I'm very sad.

Michael Moore: Roger Ebert. Millions of thumbs up for you. RIP.

Mia Farrow: If cancer came to take me piece by piece, I hope I could summon even a fraction of the grace Roger Ebert showed us, in such abundance.

Oprah Winfrey: Roger and Gene together again. End of an era.

Rest in peace, Roger Ebert.

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