(b Medanos, Buenos Aires, 1934).
Argentinian composer who settled in NY 1960. Associate dir. Columbia‐Princeton elec. mus. centre, from 1964, dir. from 1981. Also held teaching posts in NY (incl. City Coll. of City Univ., 1968–80). Comps. incl. orch. works, chamber mus., and elec. works. His Synchronism No.6 (from Nos. 1 to 8) for pf. and elec. sound won Pulitzer Prize 1971.