Cass Gilbert Minnesota, and the Library of Congress. Cass Gilbert is often confused with Charles Pierrepont Henry Gilbert, another prominent architect of the time. Cass Gilbert designed the famous Woolworth Building skyscraper on Broadway for Frank W. Woolworth, while Woolworth's personal mansion was designed by C. P. H. Gilbert. The Ukrainian Institute building on Manhattan's 5th Avenue is the work of C. P. H. Gilbert, and often incorrectly attributed to Cass Gilbert. Cass Gilbert should also not be confused with his son, architect Cass Gilbert, Jr. Notes Further reading Cass Gilbert Cass Gilbert (November 24, 1859 – May 17, 1934) was a
United States Supreme Court Building 1929, Chief Justice William Howard Taft argued successfully for the Court to have its own headquarters to distance itself from Congress as an independent branch of government, but he did not live to see it built. The court was finally designed by Cass Gilbert, who created many other structures in the United States. The Supreme Court Building is located at 1 First Street, NE (former site of the Old Brick Capitol, across the street from the United States Capitol) and was designed by architect Cass Gilbert (as Gilbert's last major project; he died before it was completed). It rises four