This highly original and informative guide to the origins and development of film theory will be an indispensable tool for all students. It describes and contextualises the origins and development of film theory in the 20th century, and discusses all of the major movements and ideas. From the Lumiere brothers through to Tarantino and the postmodern movement, all of the major aspects of film will be analysed. Film theory will be distinguished from film criticism and all of the important theoretical movements that have influenced thinking about film will be explained.