1902-1979. US composer. He collaborated with librettist Lorenz Hart (1895-1943) on songs such as `Blue Moon' 1934 and musicals such as On Your Toes 1936, and with Oscar Hammerstein II (1895-1960) wrote musicals such as Oklahoma! 1943, South Pacific 1949, The King and I 1951, and The Sound of Music 1959.