During the 1940s and 50s, Hollywood entered a “noir” period, producing riveting films based on hard-boiled fiction. These films were set in dark locations and shot in a black & white aesthetic that fit like a glove. Hardened men wore fedoras and forever smoked cigarettes. Women played the femme fatale role brilliantly. Love was the surest way to death. All of these elements figured into what Roger Ebert calls “the most American film genre” in his short Guide to Film Noir. In this growing list, we gather together the noir films available online.