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
Woolworth Building the United States as well as one of the 30 tallest buildings in New York City. It has been a National Historic Landmark since 1966, and a New York City landmark since 1983. The Woolworth Building was designed in the neo-Gothic style by the architect Cass Gilbert. Originally designed to be high, the building was eventually elevated to . When completed in 1913, the Woolworth Building was 60 stories tall and had over 5,000 windows. Given its resemblance to European Gothic cathedrals, the structure was called "The Cathedral of Commerce" by the Reverend S. Parkes Cadman in a booklet of