He was the artist representing Switzerland at the 1968 Summer Olympics Route of Friendship in Mexico City.
Willi Baumeister | Willi Forst | Willi Sänger | Willi Plett | Willi Lippens | Willi Williams | Willi van Ooyen | Willi Hennig | Willi Braun | Chilli Willi and the Red Hot Peppers | 40. Fallschirmjägerbataillon Willi Sänger | Willi Weber | Willi Veller | Willi Stöhr | Willi Reschke | Willi Oberbeck | Willi Ninja | Willi Kronhardt | Willi Hennig Society | Willi Gerdau | Willi Frommelt | Willi Fels | Willi Arlt | Edmund Gutmann |