Gehlhaar, Rolf (Rainer)
- Stephen Montague
(b Breslau [now Wrocław, Poland], Dec 30, 1943). American composer. The son of a German rocket scientist, he emigrated to the USA in 1953, took American citizenship in 1958, and studied philosophy at Yale University (BA 1965) and music at University of California, Berkeley (1965–7). He then moved to Cologne to become Karlheinz Stockhausen’s assistant and a member of his ensemble (1967–70). He was a co-founder (in 1969) of the Feedback Studio Verlag, Cologne, a performance centre and later publishing company (1971) devoted to new music. He has lectured at the Ferienkurse für Internationale Neue Musik, Darmstadt (1974, 1976), and at Dartington College of Arts, England (1976–7), and was a founding member of the Electro-Acoustic Music Association of Great Britain (1979). He has also carried out research at IRCAM, which culminated in the first digital reproductions of ‘three-dimensional’ sounds (...