Bernardo Bertolucci ( ; 16 March 1941 - 26 November 2018 ) was an Italian director and screenwriter , whose films include The Conformist , Last Tango in Paris , 1900 , The Last Emperor ( for which he won the Academy Award for Best Director and the Academy Award for Best Adapted Screenplay ) , The Sheltering Sky , Little Buddha , Stealing Beauty and The Dreamers .