American architect (1856–1924), father of modern skyscraper design.
Born in Boston, Sullivan studied at MIT and worked with Frank Lloyd Wright. He founded the Chicago School.
Sullivan’s philosophy, “form follows function,” emphasized modernism and functionalism, with ornate detailing.
Sullivan’s skyscraper designs influenced Frank Lloyd Wright. His work defined early American modernism.
Frank Lloyd Wright (related architect), Daniel Burnham (related architect), Ornamentation (element), Modern (period)