This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

Actor Robin Williams attends the 55th Annual Primetime Emmy Awards at the Shrine Auditorium September 21, 2003 in Los Angeles, California. (Kevin Winter/Getty Images)

Celebrities and athletes turned to Twitter to mourn the late actor Robin Williams. Williams starred in various movies and television shows during his career. He was found unresponsive in his California home at about 11:55 a.m. Monday