Williams first rose to stardom in September 1978 in the sitcom “Mork and Mindy” alongside Pam Dauber.
Williams attends the Robin Williams Opening Party at Studio 54 in New York City on April 11, 1979.
This 1982 file photo was originally released by Warner Bros. Pictures show Williams as TS Garp from the film “The World According to Garp”.
Williams and his first wife, Valerie Velardi, are joined by a large number of photographers at singer Paul Simon’s apartment to celebrate Simon’s wedding to actress Carrie Fisher on August 16, 1983 in New York City.
Williams, center, takes time off from rehearsal on NBC’s “Saturday Night Live”, featuring cast members Eddie Murphy, left, and Joe Piscopo on February 10, 1984. Williams will appear on the show as a guest host.
Robin Williams was honored during the 2014 Emmys telecast with a tribute led by friend Billy Crystal, who hosted “Comic Relief” benefits alongside Williams and Whoopi Goldberg (seen here in 1986).
Williams enjoys music through a headset in a scene from the film “Good Morning, Vietnam” in 1987.
Williams played a teacher in the 1989 film “Dead Poets Society”, one of her first dramatic roles.
Williams did everything possible to be with her children in the 1993 film “Mrs. Doubtfire.”
From left, Bonnie Hunt, Bradley Pierce, Kirsten Dunst and Williams hold each other in a scene from the 1995 film “Jumanji.”
Comedians and co-hosts, from left, Billy Crystal, Whoopi Goldberg and Williams sing and dance the early 1940s number to “Comic Relief VII” on November 11, 1995 in Los Angeles.
Jay Leno laughs at Williams’ joke during the taping of “The Tonight Show with Jay Leno” at the MGM Grand Hotel in Las Vegas on November 13, 1995.
Williams and Nathan Lane starred in the film “The Birdcage” in 1996.
Williams visits a sick child in a scene from the 1998 film “Patch Adams”.
Williams and his wife, Marsha, pose for photographers with their daughter Zelda as they arrive at the premiere of the film “Patch Adams” in New York City in December 1998.
Williams wears a clown nose during a ceremony outside the Man’s Chinese Theater in Hollywood in 1998.
Actor-writer Matt Damon, left, and Ben Affleck, left, pose with Williams as they hold the Oscar won for “Good Will Hunting” at the 70th Annual Academy Awards in 1998. Damon and Affleck won for Best Original Screenplay, and Williams won for Best Supporting Actor.
Williams donated blood at the Irwin Memorial Blood Center in San Francisco on September 11, 2001.
US Postal Service Team rider Lance Armstrong rides with Williams during training on the rest day of the 89th Tour de France cycling race at Vaison la Romaine on July 22, 2002.
Williams plays Rainbow Randolph in the 2002 black comedy “Death to Smoochy”.
Williams and Oscar host Billy Crystal perform at the 76th Academy Awards show in 2004.
Williams poses with US troops at the main US base in Bagram, Afghanistan, on December 16, 2004.
Williams in 2007’s “License to Wed”.
Williams and Susan Schneider arrive at the premiere of “World’s Greatest Dad” on August 13, 2009 in Los Angeles.
Williams at the pre-premier party for “Happy Feet Two” at the Grand Connaught Room in London on November 20, 2011.
Williams poses for photographs on December 5, 2011 in Sydney, Australia. She and Australian director George Miller were in Australia promoting “Happy Feet Two”.
Upon his death, Williams’ wife, Susan Schneider, said, “This morning, I lost my husband and my best friend, while the world lost one of its most beloved artists and beautiful human beings. I am completely I’m broken.”