Film Noir

Film noir is a cinematic term which is generally used to describe a stylish, Hollywood crime drama or thriller. The term was originally applied by french film critics. In the early 1940's; numerous screenplays inspired by american crime fiction were bought to our screens. This was done mainly by European film directors, these people shared the same expressions and feelings for the world of cinema. These directors included the likes of Fritz Lang, Robert Siodmak, Billy Wilder, and Otto Preminger

Following the tragedies of wold war ll ; movie audiences responded to this fresh, vivid, adult-oriented type of film — as did many writers, directors, cameramen and actors eager to bring a more mature world-view to Hollywood product. 

In 1946, in Paris, there was a huge increase in the popularity and the amount of people that found themselves wanting to watch dark and mysterious films, now known as thrillers. From then on it was known as either 'Film Noir' or 'Black Film' as a new Hollywood product.
During that time there were not that many thriller film makers, if any, only a few were able to create pieces of cinematic art as a thriller that would suitable and worth watching for the audience.