Who directed 'The Exorcist' (1973)?

Who directed 'Mary Poppins' (1964)? In what year was 'Mary Poppins' released? Who directed 'The Sound of Music' (1965)? In what year was 'The Sound of Music' released? In what year was 'The Exorcist' released? Who directed 'The French Connection' (1971)? In what year was 'The French Connection' released? In what year was 'Halloween' released?