Sch. of mus. founded and endowed in 1924 by Mrs Mary Louise Bok (later Mrs. Zimbalist) in memory of her father Cyrus H. K. Curtis. Tuition fees abolished 1928. Dir. from 1926 was the pianist Josef Hofmann, who retired 1938, followed by Randall Thompson 1938–40, Efrem Zimbalist 1941–68, Rudolf Serkin 1968–76; John de Lancie 1977–85; Gary Graffman from 1986. Long list of distinguished teachers and visiting professors.