Sergei Eisenstein was a Soviet film director and film theorist who is widely regarded as one of the most influential directors in the history of cinema. He is best known for his silent films Strike (1925), Battleship Potemkin (1925) and October (1928). He is also credited with developing the montage technique, which combines several different shots into one scene to create a powerful emotional effect. Eisenstein's films are noted for their dynamic editing, intellectual complexity and political messages.