As a reflex of the growing resistance among European intellectuals in industrialized societies to glaring colonialist appropriations, an avant-garde emerged in the late 19th and early 20th centuries which adopted an open-minded anthropological perspective. Rejecting racially tainted claims of the superiority of Western cultural traditions, it proposed a series of expressive theories that valued the authenticity and originality of the “primitive.” After World War I, however, and notably since the twenties when a “Call to...