The Horror Genre and the German Expressionism, is considered as the most influenced from German cinema of early 1920s, in the American film's of 1930s.
It is claimed that, the German cinema in 1920s was much ahead from the Hollywood. The German cinemas had introduced many different things like, developments in style, techniques etc.
Alfred Hitchcock had said that, said he had "acquired a strong German influence by working at the UFA studios".
The evolution of the German cinema is termed as German Expressionism, and tis had influenced Hitchcock, and he was the one who introduced expressionist set designs, lightning techniques and trick camera, to the British public.
Even today there are many stylistic influences of German cinema, such as, science fiction films, many extreme angles pf set decoration and lightning etc.
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