There were an estimated 500 such establishments, that included a large number of homosexual venues for men and for women; sometimes transvestites of one or both genders were admitted, otherwise there were at least 5 known establishments that were exclusively for a transvestite clientele. There were also several nudist venues. Berlin also had a museum of sexuality during the Weimar period, at Dr. Magnus Hirschfeld's Institute of Sexology. These were nearly all closed when the Nazi regime became a dictatorship in 1933. Artists in Berlin became fused with the city's underground culture as the borders between cabaret and legitimate theatre blurred. Anita Berber, a dancer and actress, became notorious throughout the city and beyond for her erotic performances (as well as her cocaine addiction and erratic behaviour). She was painted by Otto Dix, and socialized in the same circles as Klaus Mann. Gallery of 1920s Berlin cultural life 1920s Berlin was a city of many social contrasts. While a large part of the population continued to struggle with high unemployment and deprivations in the aftermath of World War I, the upper class of society, and a growing middle class, gradually rediscovered prosperity and turned Berlin into a cosmopolitan city. See also Aftermath of World War I Cinema of Germany Critical Theory Cuba de ayer Culture of Germany Dada Degenerate art Expressionism Futurism Germany German Expressionism Gleichschaltung Glitter and Doom - Exhibit of Art in the Weimar Republic Glossary of the Weimar Republic Golden Twenties History of Germany Kultur Literature of World War I Lost Generation Modernism Nazi Germany New Objectivity Post-World War I recession Post-expressionism Reactionary modernism Roaring Twenties Surrealism Weimar Timeline Weimaraner References Bibliography Becker, Sabina. Neue Sachlichkeit. Köln: Böhlau, 2000. Print. Gail Finney (2008) WEIMAR CULTURE: Defeat, the Roaring Twenties, the Rise of Nazism, Courses overview of program The Roaring Twenties in Germany Gay, Peter. Weimar Culture: The Outsider as Insider. Westport, Conn.: Greenwood Press, 1981. Gordon, Peter E., and John P. McCormick, eds. Weimar Thought: A Contested Legacy (Princeton U.P. 2013) 451 pages; scholarly essays on law, culture, politics, philosophy, science, art and architecture Hermand, Jost and Frank Trommler. Die Kultur der Weimarer Republik. Frankfurt am Main: Fischer Taschenbuch Verlag, 1989. Kaes, Anton, Martin Jay, and Edward Dimendberg. The Weimar Republic Sourcebook. Berkeley: University of California Press, 1995. Lethen, Helmut. Cool Conduct: The Culture of Distance in Weimar Germany. Berkeley: University of California Press, 2002. Lindner, Martin.