This one I managed to see. The room was empty when I started, I had my time to explore and read, it was a retrospective, since he is no longer living.
He learned to photograph by himself, worked everywhere and with everyone, his favorite subject was portraiture, but he was elastic enough to experiment in a lot of fields. His series "Verification", and the text that goes with it, is excellent and exemplifies this.
Ugo Mulas