. . . . . "He wrote essays and catalogues collaborating with artists and architects such as Giorgio Morandi, Alighiero Boetti, Mario Merz, Carol Rama, Pirro Cuniberti, Alberto Burri, Bruno Martinazzi, Piero Manai, Marco Gastini, Vittorio Gregotti, Achille Castiglioni, Michelangelo Pistoletto, Renzo Piano, Ettore Sottsass, among many others." . .