(*1943 in Wroclaw (Breslau) Poland) studied pilosophy and music in Yale and Berkely. Member of Karlheinz Stockhausen's ensemble and his personal assistant between 1967 and 1970. Co-founder (with Johannes Fritsch und David Johnson) of the Feedback Studio and Feedback Studio Verlag Köln. He lives in London since 1975 and concentrates on his own compostions now.

