Satire (1922), "Elmer Gantry" (1927; dedicated by Lewis to H. L. Menchen), and "It Can't Happen Here" (1935), and his books often explored and satirized contemporary American values. The film "The Great Dictator" (1940) by Charlie Chaplin is itself a parody of Adolf Hitler; Chaplin later declared that he would have not made the film if he had known about the concentration camps. In the United States 1950s, satire was introduced into American stand-up comedy most prominently by Lenny Bruce and Mort Sahl. As they challenged the taboos and conventional wisdom of the time, were ostracized by the mass media establishment
Charlie Chaplin Lausanne, Switzerland. The British Film Institute has also established the Charles Chaplin Research Foundation, and the first international Charles Chaplin Conference was held in London in July 2005. Chaplin is the subject of a biographical film, "Chaplin" (1992) directed by Richard Attenborough, and starring Robert Downey Jr. in the title role and Geraldine Chaplin playing Hannah Chaplin. He is also a character in the period drama film "The Cat's Meow" (2001), played by Eddie Izzard, and in the made-for-television movie "The Scarlett O'Hara War" (1980), played by Clive Revill. A television series about Chaplin's childhood, "Young Charlie Chaplin", ran on