Jean Cocteau 5 July 1889 -- 11 October 1963 ) was a French artist , poet , novelist , dramatist , designer , boxing manager , playwright and filmmaker . Jean Maurice EugÃ ne ClÃ ment Cocteau ( ; 5 July 1889 â `` 11 October 1963 ) was a French poet , novelist , dramatist , designer , boxing manager , playwright , artist and filmmaker .