Paparazzo--Italian for pesky--is synonymous with Ron Galella, the photographer who made his name capturing celebrities in unguarded, often private moments. Famously banned from approaching Jackie Onassis and punched by Marlon Brando, Galella was a favorite of Andy Warhol, who shared his fascination with the great and near-great. Warhol himself recorded his nightly rounds through a seemingly endless parade of parties, openings, and happenings in his...