Born in Cham (Zug) on 29 August 1948, but a native of Lignères (Neuchâtel), after attending an Art Lyceum in Turin, he graduated from the "Centro Scolastico per le Industrie Artistiche" (CSIA) in Lugano in the decorative arts section and then in interior architecture.
Present in the Catalogue of Swiss Contemporary Artists (1981), he is an active member of Visarte.
He lives and works in Dino.
Personal and group exhibitions in museums and galleries in Switzerland and abroad.
"Bonjour's path is constantly evolving and along the line traced by a search for coherence represents the faithful mirror of the torments and anxieties, yearnings and hopes that hold the human life."