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
Office of the Supervising Architect for the U.S. Treasury as local landmarks. Until 1893 the office used in-house architects. In 1893 Missouri Congressman John Charles Tarsney introduced a bill that allowed the Supervisory Architect to have competitions among private architects for major structures. Competitions were held for the Alexander Hamilton U.S. Custom House, Cleveland Federal Building, U.S. Post Office and Courthouse in Baltimore, Maryland, and U.S. Customhouse in San Francisco (which are all now on the National Register of Historic Places) among others. The competitions were met with enthusiasm by the architect community but were also marred by scandal as when Taylor picked Cass Gilbert for the New York