Bernstein, Leonard, 1918 - 1990 US composer, conductor, and pianist. His works, which established a vogue for realistic, contemporary themes, include symphonies such as The Age of Anxiety 1949; ballets such as Fancy Free 1944; scores for musicals including Wonderful Town 1953 and West Side Story 1957; and Mass 1971 in memory of President J F Kennedy. Born in Lawrence, Massachussetts, he was educated at Harvard University and the Curtis Institute of Music. From 1958 to 1970 he was musical director of the New York Philharmonic. Among his other works are Jeremiah 1944, Facsimile 1946, Candide 1956, and the Chichester Psalms 1965.