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
Embassy of the United States, Ottawa Embassy of the United States, Ottawa The Embassy of the United States of America in Ottawa () is the diplomatic mission of the United States of America in Canada. The current complex in Ottawa opened in 1999. Before 1999, the mission occupied a 1930s era building directly across from Parliament Hill at 100 Wellington Street. The Beaux-Arts structure was designed by Cass Gilbert for the American legation in 1932 (full ambassador status was with the United States Embassy in Britain at the time), then as a full embassy after 1943. The older building, a three storey Indiana limestone built in