His most lasting influence, however, was on Arte Povera, a group of Italian artists, including Luciano Fabro and Alighiero e Boetti, who brought everyday materials into their work in a movement analogous to contemporary radical politics.
Single-artist shows have focused on a variety of media and have included "When One is Two: The Art of Alighiero e Boetti," William Kentridge, Uta Barth, and Juan Muñoz.