Nonlinear narrative a linear storyline, while nonlinear films often contain linear sequences. Orson Welles' "Citizen Kane" (1941)—influenced structurally by "The Power and the Glory" (1933)—and Akira Kurosawa's "Rashomon" (1950) use a non-chronological flashback narrative that is often labeled nonlinear. Experimentation with nonlinear structure in film dates back to the silent film era, including D. W. Griffith's "Intolerance" (1916) and Abel Gance's "Napoléon" (1927). Nonlinear film emerged from the French avant-garde[5] in 1924 with René Clair’s "Entr'acte", Dadaïst film and then in 1929 with Luis Buñuel and Salvador Dalí's "Un Chien Andalou" (English: "An Andalusian Dog"). The surrealist film jumps into fantasy and
Filmmaking technique of Luis Buñuel were explained as having been put there to increase the running time. As a university student, Buñuel had studied entomology at the Museum of Natural History under the famous naturalist Ignacio Bolívar, and he had an early and lasting interest in the scientific documentaries of Jean Painlevé, which he tried to screen at the Residencia de Estudiantes. Numerous critics have commented on the number of sequences in his films involving insects, from the death's head moth in "Un chien andalou" and the extended scorpion scenes in "L'Age d'or" to the framed tarantula in "Le Fantôme de la liberté". Others have