Shaffer, Sir Peter
From Longman Dictionary of Contemporary EnglishShaffer, Sir PeterSir Peter ShafferShaf‧fer, Sir Peter /ˈʃæfə $ -fər/ (1926–) a British writer of plays and films, best known for The Royal Hunt of the Sun (1964), Equus (1973), and Amadeus (1979), a play about Mozart which was also made into a successful film.