ein belgischer Dadaist, Dichter und Literaturkritiker. Seine Frau Céline Arnauld, war aktive Dichterin und Teilnehmerin an der Paris Dada Bewegung. Discovered by the writer Tristan Tzara, he took the risk (in times of war) to diffuse the "Dada" review in the provence of Zurich. In exchange he received the title "Proconsul Dada". He was director of the magazine L'Esprit Nouveau.