Even in modern art, artists have used methods based on calculation, inasmuch as these elements, alongside those of a more personal and emotional nature, give balance and harmony to any work of art.
From 1967 to 1971 he served as a member of the Swiss National Council. He was elected to the Zurich municipal council in 1961. NAP Verlag Zürich 2010 ISBN 978-3-9523615-4-2.