He was a professor in aesthetics at the University of Trieste , Milan and Cagliari and , in 1948 , established the MAC ( `` Movimento per l'arte concreta '' ) with artists Atanasio Soldati , Galliano Mazzon , Gianni Monnet , and Bruno Munari .
He was a professor in aesthetics at the University of Trieste , Milan and Cagliari . In 1948 , he co-founded the Movimento per l'arte concreta ( MAC ) with artists Atanasio Soldati , Galliano Mazzon , Gianni Monnet , and Bruno Munari .