Among the protagonists of this film, made for the sixteenth Milan Triennial exhibition “Lo spazio audiovisivo”, were Gau Aulenti, Vittorio Gregotti, Andrea Branzi, Bruno Munari, Nanda Vigo, Virgilio Vercelloni, Enzo Mari, Gianfranco Bettetini, Aldo Grassi, Costantino Bardi, Alessandro Mendini, Pierluigi Nicolin, Gillo Dorfles, Davide Mosconi… interviewed by Ugo La Pietra, who then transferred their statements onto a large “diagram of objectives”.