Louis Henri Sullivan (1856-1924), American architect, was the link between Henry Hobson Richardson and Frank Lloyd Wright in the development of modern American architecture.

Louis Sullivan was born in Boston on Sept. 3, 1856. Always impatient with classroom education, he spent only a year at the Massachusetts Institute of Technology, where he studied with William Ware, the well-known High Victorian Gothic architect. At the end of 1873, Sullivan went to Philadelphia and spent a short time in the office of architect Frank Furness. He soon set out for Chicago, where his parents and brother were living. In Chicago he was employed by William Le Baron Jenney. In 1874 he went to Paris and was admitted to the École des Beaux-Arts. He stayed about 6 months, returning to Chicago in March 1875. His training had introduced him to High Victorian Gothic, an extension of which had been boldly and imaginatively expressed in American architecture...