Dada was an artistic and literary movement that began in Zürich, Switzerland. It arose as a reaction to World War I and the nationalism that many thought had led to the war. Influenced by other avant-garde movements - Cubism, Futurism, Constructivism, and Expressionism - its output was wildly diverse, ranging from performance art to poetry, photography, sculpture, painting, and collage. Dada's aesthetic, marked by its mockery of materialistic and nationalistic attitudes, proved a powerful influence on artists in many cities, including Berlin, Hanover, Paris, New York, and Cologne, all of which generated their own groups. The movement dissipated with the establishment of Surrealism. http://www.theartstory.org/movement-dada.htm

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Francis Picabia was one of the principle figures of the Dada movement both in Paris and New York. A friend and associate of Marcel Duchamp, he became known for a rich variety of work ranging from strange, comic-erotic images of machine parts to text-based paintings that foreshadow aspects of Conceptual art. Even after Dada had been supplanted by other styles, the French painter and writer went on to explore a diverse and almost incoherent mix of styles. He shifted easily between abstraction and figuration at a time when artists clung steadfastly to one approach, and his gleeful disregard for the conventions of modern art encouraged some remarkable innovations even later in his career, from the layered Transparency series (c.1928-31) of the 1920s to the kitsch, erotic nudes of the early 1940s. Picabia remains revered by contemporary painters as one of the century's most intriguing and inscrutable artists.