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 Tennessee, built in 1924, is a small replica of the building, standing at one-third its height. Frank Woolworth commissioned Cass Gilbert in 1910 to design a 20-story office building as the F. W. Woolworth Company's new corporate headquarters on Broadway, between Park Place and Barclay Street in Lower Manhattan, opposite City Hall. Originally designed to be high, the building was eventually elevated to . Construction was completed in 1912 and the building opened on April 24, 1913. President Woodrow Wilson turned the lights on by way of a button in Washington, D.C. that evening. The Woolworth Building was 60 stories