His ex-wife Flyn Pryor said he passed away after a heart attack at his home in San Fernando Valley, California, early Saturday morning. Richard Pryor had been ill for years with multiple sclerosis. He was known early in his career as one of the best comics in the business and one was never afraid to use foul language. He was also known for his roles in several films including, "Stir Crazy," "Silver Streak," "Which Way Is Up?" and his stand-up movie, "Richard Pryor Live On The Sunset Strip." He was 65-years-old.