(b Los Angeles, 1933).
Amer. composer and clarinettist. Played cl. in orchs., then became mus. dir. Lincoln Center Repertory Th., 1967. Fellow of Inst. for Advanced Mus. Studies, Princeton Univ., 1959–60. Founder and Dir., S. Francisco Tape Music Center 1961–6. Taught at Mills Coll. 1959–66, NY Univ. 1966–9. On staff Calif. Inst. of the Arts, from 1969. Mainly concerned with elec. mus., using synthesizer designed for him by D. Buchla. His Silver Apples of the Moon (1967) was first elec. work comp. for records. At NY toyshop, devised panels of buttons for shoppers to push which enabled instant creation of elec. works.