here is an interesting topic i came across today ..
" In this nine-week course, we’ll go back in film history to investigate the "The Case of Film Noir"—the means, motives, and opportunities that led Hollywood studios to make these hard-boiled crime dramas, arguably their greatest contribution to American culture.

This course will run concurrently with the Turner Classic Movies "Summer of Darkness” programming event, airing 24 hours of films noir every Friday in June and July 2015. This is the deepest catalog of film noir ever presented by the network (and perhaps any network), and provides an unprecedented opportunity for those interested in learning more to watch over 100 classic movies as they investigate “The Case of Film Noir.”