Private Collection 12" x 10" Attrib. With Certificate.Sonia Delaunay was a Ukrainian-born Russian artist, who spent most of her working life in Paris. She formally trained in Russia and Germany before moving to France and expanding her practice to include textile, fashion, and set design. She co-founded the Orphism art movement, noted for its use of strong colours and geometric shapes, with her husband Robert Delaunay and others. She was the first living female artist to have a retrospective exhibition at the Louvre in 1964, and in 1975 was named an officer of the French Legion of Honor. attributed to Sonia Delaunay.Delaunay's painting Coccinelle was featured on a stamp jointly released by the French Post Office, La Poste and the United Kingdom's Royal Mail in 2004 to commemorate the centenary of the Entente Cordiale. Contemporary art critics recognize this as the point where she moved away from perspective and naturalism in her art. Around the same time, cubist works were being shown in Paris and Robert had been studying the colour theories of Michel Eugène Chevreul; they called their experiments with colour in art and design simultanéisme. Simultaneous design occurs when one design, when placed next to another, affects both; this is similar to the theory of colours (Pointillism, as used by e.g. Georges Seurat) in which primary colour dots placed next to each other are "mixed" by the eye and affect each other. Sonia's first large-scale painting in this style was Bal Bullier (1912–13), a painting known for both its use of colour and movement.

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