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
510 Marquette Building 510 Marquette Building The 510 Marquette Building is a high-rise office building in downtown Minneapolis Minnesota. It was the first building for the Federal Reserve Bank of Minneapolis. It was designed by Cass Gilbert, architect of the Minnesota State Capitol building. It is located at 510 Marquette Avenue, at the corner of Marquette Avenue and 5th Street South in Minneapolis, right next to the Nicollet Mall station of the METRO Blue and Green light rail lines, and across from the Soo Line Building. The building was completed in 1915. The original structure was built a 4-story building with sub-basement to