The year 1955 was a watershed one for New York's film industry: Elia Kazan's On the Waterfront took home eight Oscars, and, more quietly, Stanley Kubrick released the low-budget classic Killer's Kiss. A wave of films that changed how American movies were made soon followed, led by directors such as Sidney Lumet, William Friedkin, Francis Ford Coppola, and Martin Scorsese. Yet this resurgence could not have occurred without a deeply...