Born: December 30, 1943 in Breslau, German Empire now Wrocław, Poland.
Died: July 7, 2019 in London, UK.

A composer of instrumental electronic and computer music. He studied philosophy and music in Yale and Berkely. Member of Karlheinz Stockhausen's ensemble and his personal assistant between 1967 and 1970. Co-founded, with Johannes G. Fritsch and David Johnson, the [l328202] and Feedback Studio Verlag Köln. He lived in London since 1975.