On the advice of Man Ray, Marcel Fleiss, Fred Fisher and Philippe Klein founded in 1972 the Galerie des Quatre Mouvements, a gallery that showed Dada, surrealist, Pop and hyperrealist works. Two years later, the gallery participated in its first Art Basel fair. In 1981, Marcel Fleiss launched on his own the Galerie 1900-2000, which succeeded the Quatre Mouvements gallery by broadening the artistic field to other avant-gardes (Lettrisme, Fluxus…) and some contemporary artists (Pol Bury, George Condo, Jean-Michel Basquiat and Keith Haring’s last exhibition before his death).