In the early 20th century, American architecture remained deeply traditional, shaped by historic European styles and the tastes of wealthy patrons. Yet, pioneering figures like Louis Sullivan and Frank Lloyd Wright planted the seeds of modernism, paving the way for a dramatic transformation that would later be driven by influential European émigrés and the rise of the International Style.

Early American Pioneers: Sullivan and Wright

Louis Sullivan (1856–1924): Ornament and Innovation

• Known as the "father of modernism," Sullivan championed the maxim “form follows function”. His work, while modern in ethos, combined functionalist clarity with nature-inspired Art Nouveau ornament.
• Key works: Wainwright Building (1890–91) and Guaranty Building (1894–96)—pioneering skyscrapers with vertical emphasis and richly decorated interiors.
• Sullivan’s mentorship of Frank Lloyd Wright laid the groundwork for American modernist thinking.

Frank Lloyd Wright (1867–1959): Organic Modernism

• Wright developed the Prairie Style, marked by long horizontal lines, open-plan interiors, and extensive built-in woodwork—reflecting the American landscape and a harmony with nature.
• Key works: Robie House, Chicago (completed 1910), a Prairie Style icon; Fallingwater, Pennsylvania (designed 1935; main house built 1936–38), an important integration of architecture with its setting.
• Wright’s philosophy stood apart from European modernists, championing organic forms and spatial openness over strict functionalism.

The Shift to International Modernism

The Museum of Modern Art’s 1932 architecture exhibition helped give International Style modernism a prominent American platform. Flat surfaces, open volumes, and extensive glazing became influential elements, alongside the continuing work of American architects with different approaches.

• The exhibition and the work of Henry-Russell Hitchcock and Philip Johnson helped define and promote the International Style. An exhibition selection is not, by itself, a measure of the whole country’s acceptance of modern architecture.

European Designers Transforming American Modernism

• Walter Gropius (Bauhaus founder): Joined Harvard in 1937 and led its Department of Architecture, not the entire Graduate School of Design. Harvard’s history describes his role in architectural education.
• Marcel Breuer: Bauhaus-trained architect and designer, known for iconic modernist furniture (Cesca, Wassily chairs) and his role in shaping modernist education at Harvard.
• Ludwig Mies van der Rohe: Became director of the architecture department at Armour Institute, later IIT, in 1938. His departmental leadership and campus work, along with projects such as Farnsworth House and Crown Hall, shaped American modernism.
• William Lescaze: Co-designed the Philadelphia Saving Fund Society (PSFS) Building (1932), America’s first International Style skyscraper.
• Richard Neutra: Designed the Lovell House in Los Angeles, built in 1928–29 according to its Historic American Buildings Survey record.

Modernism Becomes the American Norm

By mid-century, the influence of European émigrés and educational reform made modernism the American standard. Leading firms like Skidmore, Owings & Merrill (SOM) and architects such as Eero Saarinen institutionalized the International Style. Yet, American modernism was always diverse—Wright’s organic vision and the warmth of Scandinavian design provided counterpoints to the functional austerity of European models.

Conclusion

Early American modernism, initiated by Sullivan and Wright, blossomed into a dominant movement through the contributions of European architects and educators. Despite initial resistance rooted in tradition, the eventual fusion of American and International Style modernism gave rise to the nation’s postwar architectural identity—one rooted in both innovation and a selective embrace of international trends.