(b Brooklyn, 24 Jan 1919). American composer, pianist and conductor. He studied with Schoenberg in Los Angeles, with Bloch at Berkeley and with Sessions in New York. From 1949 he taught in California, moving to Harvard in 1961. His works, in a powerful Schoenbergian style, include the opera Lily (1977), two piano concertos (1953, 1963) and three string quartets. He has an international reputation as a pianist and conductor.







