Bernd Alois Zimmermann
He studied music, sociology, and philosophy from 1961 to 1965 at the University and the Staatliche Musikhochschule in Cologne with, amongst others, Bernd Alois Zimmermann and Gottfried Michael Koenig. In the following years he applied himself to the most varied musical activities. Amongst other things he played viola in the Stockhausen-Ensemble from 1964 to 1970, and took part in the German exhibition at Expo '70, the World's Fair in Osaka in 1970.