Robin Williams

A new book has claimed that late actor Robin Williams struggled to remember his lines as he unknowingly suffered from a brain disorder. According to the New York Post, Dave Itzkoff's new biography Robin seeks to answer the lingering puzzle over Williams' chaotic life and sudden death, reports dailymail.co.uk. It reveals his final days from the eyes of some of his closest family and friends and admirers in Hollywood. According to the book, while the Oscar-winning actor was filming "Night at the Museum: Secret of the Tomb", the third movie in the franchise, he was unable to remember his lines.