Robin Williams
Robin Williams gestures during a panel discussion for his upcoming HBO show "Robin Williams: Weapons of Self-Destruction" at the Television Critics Association Cable summer press tour in Pasadena, California in this file picture taken July 30, 2009. Oscar-winning actor and comedian Williams was found dead on Monday from an apparent suicide at his home in Northern California, Marin County Sheriff's Office said. He was 63. Reuters/Mario Anzuoni/Files
Robin Williams gestures during a panel discussion for his upcoming HBO show "Robin Williams: Weapons of Self-Destruction" at the Television Critics Association Cable summer press tour in Pasadena, California in this file picture taken July 30, 2009. Oscar-winning actor and comedian Williams was found dead on Monday from an apparent suicide at his home in Northern California, Marin County Sheriff's Office said. He was 63. REUTERS/Mario Anzuoni/Files (UNITED STATES ENTERTAINMENT - Tags: ENTERTAINMENT PROFILE OBITUARY)

One of the last things that 63-year-old Hollywood actor did to battle depression was check himself into a Minnesota rehab in early July to keep his sobriety. Best known for his role as the alien Mork in the 1970s hit sitcom Mork & Minday, Williams stayed at the Hazelden Addiction Treatment Center for a few weeks.

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Read: 'Good Will Hunting' Actor Robin Williams Checks into Rehab to Maintain Sobriety

On Tuesday, Willliams was found dead in his California home, an apparent suicide probably due to asphyxia. According to a statement from the Marin County Sheriff's office, it received an emergency call on Aug 11 at about 11:55 am to report that an adult male was found unconscious and not breathing inside his house.

His wife, Susan Schneider, requested for privacy and expressed hope the focus would not be on Robin's demise but the "countless moments of Joy and laughter he gave to millions."

Williams, who studied at the Juilliard Academy where Superman actor Christopher Reeve were classmates in some subjects where they were the only students, successfully transitioned from TV actor to the films where he starred in memorable movies such as Good Morning Vietnam in 1987

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Dead Poets Society in 1989, Mrs Doubtfire in 1993

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Jumanji in 1995, the Birdcage in 1996, Patch Adams in 1998

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and Happy Feet in 2006.

His last film shown was The Face of Love with Annette Bening, although he still has one film in the can, Night At The Museum: Secret of the Tomb, to be released by 20t Century Fox.

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Williams won the Academy Award for Best Supporting Actor for his role in Good Will Hunting. He also got two Emmy Awards, four Golden Globes, two Screen Actors Guild Awards and five Grammy Awards.