[hanshenning]

D.W. Griffith - The Birth of a Nation (1915) The film led to the revival of the KKK

Abel Gance - Napoleon (1927) 562 Minute epos

Buster Keaton - The General (1926) as many have already pointed out

Robert Siodmak - People on Sunday (1930) Captivating images of Berlin pre war

The Brilliant Biograph: Earliest Moving Images of Europe (1897-1902) - Collection of Mutograph (68mm non perforated) films https://player.eyefilm.nl/nl/films/the-brilliant-biograph