Peter Wyss was born in Zürich, Switzerland, in 1943. He studied scientific drawing with Karl Schmid at the Kunstgewerbeschule Zürich. He moved to Paris, France after two years working in pharmaceutical advertising at Geigy in Basel, Switzerland. There he enjoyed a successful career as a freelance illustrator for various international magazines and advertisement agencies. His calligraphic creations were in demand and drew clients such as Credit Suisse, Beyer, and Blondino. From 1969 to 1971, he worked as a preliminary course teacher at the Ecole National des Arts Decoratives and as co-illustrator of the 20-volume Livre de la Santé.