Cass Gilbert Cass Gilbert Cass Gilbert (November 24, 1859 – May 17, 1934) was a prominent American architect. An early proponent of skyscrapers in works like the Woolworth Building, Gilbert was also responsible for the Saint Louis Art Museum and Public Library; the Minnesota, Arkansas and West Virginia State Capitols; and the United States Supreme Court building. His public buildings in the Beaux Arts style reflect the optimistic American sense that the nation was heir to Greek democracy, Roman law and Renaissance humanism. Gilbert's achievements were recognized in his lifetime; he served as president of the American Institute of Architects in 1908–09.
Cass Gilbert St. Paul Endicott Building. His goal was to move to New York City and gain a national reputation, but he remained in Minnesota from 1882 until 1898. Many of his Minnesota buildings are still standing, including more than a dozen private residences (especially those on St. Paul's Summit Avenue), several churches featuring rich textures and colors, resort summer homes, and warehouses. The completion of the Minnesota capitol gave Gilbert his national reputation and in 1898 he permanently moved his base to New York. His breakthrough commission was the design of the Alexander Hamilton U.S. Custom House in New York City,