Boccioni, Umberto (ōmbĕrˈtō bŏt-chôˈnē) [key], 1882–1916, Italian futurist painter and sculptor. He played a primary role in the drafting of the manifesto of futurism in 1910 and was the major figure in the movement until 1914. In his famous, characteristic painting, The City Rises (1910; Mus. of Modern Art, New York City), he interpreted powerfully the technological turbulence of modern civilization. Influenced by Medardo Rosso, Boccioni turned to sculpture in 1912 and sought to translate light and motion into mass. His sculpture Unique Forms of Continuity in Space (1913; Mus. of Modern Art) embodies his concept of "lines of force" to replace the use of straight lines.
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