'Le Roi du Diamant' (Junior Aventures #18, 1952)
Joseph De Wulf was born Ollioules, Var, as the son of a Belgian father and English mother. He studied Fine Arts in Nice, before heading for Paris at age 23. He began an association with Eugène Maréchal, who became his agent.
De Wulf illustrated for publishing houses like Flamme d'Or, Editions Lutecia, Auguste Pinaud and most notably Éditions de l'Arabesque, with whom he had a 15 year collaboration. He briefly contributed to the comic book Junior Aventures by Éditions des Remparts in Lyon in 1952. De Wulf additionally headed his own photo studio until 1968 and spent the final years of his career with the photo department of a regional newspaper. He passed away in Aubenas in 1994.