Already in the late nineteenth century, architects inspired by modernism had begun to transform the physical framework of urban society. The United States, with its rapid urban growth and lack of rigid building traditions, pioneered the new architecture. In the 1890s the Chicago School of architects, led by Louis H. Sullivan (1856–1924), used inexpensive steel, reinforced concrete, and electric elevators to build skyscrapers and office buildings lacking almost any exterior ornamentation. In the first decade of the twentieth century, Sullivan’s student Frank Lloyd Wright (1867–1959) built a series of radically modern houses featuring low lines, open interiors, and mass-
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Promoters of modern architecture argued that buildings and living spaces in general should be ordered according to a new principle: functionalism. Buildings, like industrial products, should be “functional” — that is, they should serve, as well as possible, the purpose for which they were made. According to the Franco-
Le Corbusier’s polemical work Towards a New Architecture, published in 1923, laid out guidelines meant to revolutionize building design. Le Corbusier argued that architects should affirm and adopt the latest technologies. Rejecting fancy ornamentation, they should find beauty in the clean, straight lines of practical construction and efficient machinery. The resulting buildings, fashioned according to what was soon called the “International Style,” were typically symmetrical rectangles made of concrete, glass, and steel.
In Europe, architectural leadership centered in German-
Another leading modern architect, Ludwig Mies van der Rohe (1886–1969), followed Gropius as director of the Bauhaus in 1930. Like many modernist intellectuals, after 1933 he emigrated to the United States to escape the repressive Nazi regime. His classic steel-