Complex sentence: From 1969 to 1976 he studied history, political science, and cultural anthropology at Zurich University; at this time he was also an activist in the youth movement and in the rebellious local art scene.
Split into simpler sentences: From 1969 to 1976 he studied history, political science, and cultural anthropology at Zurich University. At this time he was also an activist in the youth movement and in the rebellious local art scene.