Siegfried Kracauer (; German: [ˈkʁakaʊ̯ɐ]; February 8, 1889 – November 26, 1966) was a German writer, journalist, sociologist, cultural critic, and film theorist. He has sometimes been associated with the Frankfurt School of critical theory. He is notable for arguing that realism is the most important function of cinema. Source: Wikipedia (en)