Louis Henry Sullivan is widely regarded as a pioneer of which movement in American architecture?

• A. Modern movement
• B. Beaux-Arts
• C. Gothic Revival
• D. International Style

Answer: (A)

Louis Sullivan’s work marks a shift toward architecture that emphasizes function, structure, and a new honesty in design, which is the heart of the Modern movement in America. He helped move away from historicist styles like Beaux-Arts and Gothic Revival, favoring form that follows function and the expressive use of new construction technologies such as the steel skeleton. His skyscraper designs in Chicago show how tall buildings can be both technically rational and visually legible, with a clear vertical organization and a façade that reflects the building’s underlying system rather than classical ornament. This approach laid the groundwork for American modernism, influencing later designers who sought a more streamlined, functional, and globally resonant architectural language. The International Style comes later and is more associated with European modernism, while Sullivan’s pioneering ideas and American context make him a forerunner of modern architecture.