Studied with Roslyn Brogue Henning and Schillinger Method. Pianist. Innovative graphic notational methods influenced by Schillinger and Calder
. Collaborated with John Cage
on the Project for Music for Magnetic Tape (1952-55). Other compositions include: Music for "Tender Buttons" for speaker, flute, horn, and harp (1953), Indices for chamber orchestra (1954), Calder Piece for four perc. and mobile (1967), Modules I-II for orchestra (1966), Event: Synergy II for 11 woodwinds and eight strings (1968), Time Spans for orch. (1972), Tracer for ensemble and tape (1984), Tracking Pierrot for ensemble (1992).