1925: Born on May 22 in Fribourg. Mother and child move from Bulle to Basel in July 1925.
1931 – 1940: Schooling in Basel. 1941 – 1944: Apprenticeship as a decorator.
1944: Attends courses at the School of Arts and Crafts in Basel.
As of 1947: Frequents the circle of the Basel anarchist Heiner Koechlin.