In 1907 Picasso painted Les Demoiselles d'Avignon (Mus. of Modern Art, New York City), a radical departure from the artistic ideas of the preceding ages and now considered the most significant work in the development toward cubism and modern abstraction (see modern art). The influence of Cézanne and of African sculpture is apparent in its fragmented forms and unprecedented distortions. The painting heralded the first phase of cubism, called analytic cubism. This severe, intellectual style was conceived and developed by Picasso, Braque, and Gris c.1909–12. Picasso's Female Nude (1910–11; Philadelphia Mus. of Art) is a representative painting and his Woman's Head (1909; Mus. of Modern Art, New York City) a representative sculpture of this style.
In the synthetic phase of cubism (after 1912) his forms became larger and more representational, and flat, bright decorative patterns replaced the earlier, more austere compositions. The Three Musicians (1921; Mus. of Modern Art, New York City) exemplifies this style. Picasso's cubist works established firmly that the work of art may exist as a significant object beyond any attempt to represent reality. During both periods of cubism experiments by Picasso and others resulted in several new techniques, including collage and papier collé.
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