The time period between the German Expressionist and film noir styles also reveals much of the reason for the influence of German Expressionism on film noir.
After Hitler came into power in January 1933, many German film producers, directors, writers, actors and music composers who were working in the Expressionist style, were expelled and exiled from Germany. This physical spread of German Expressionism to countries like the United States of America, and the influence that these émigrés had on Hollywood filmmaking is significant. The resulting blend of styles was captured in the existence of film noir. Film noir, as Elsaesser writes, “[combined] the haunted screen of the early 1920s with the lure of the sinful metropolis Berlin of the late 1920s… mixed with the angst of German émigrés during the 1930s and 40s as they contemplated personal tragedies and national disaster.”
Before one can understand the influence of German Expressionism, one must understand the qualities of the style, which are exemplified in The Cabinet of Dr. Caligari. This film features all of the primary elements we associate with German Expressionist films. The character at the heart of this story of madness, paranoia and obsession, is Dr. Caligari, an evil