Located on Penn Square, One South Broad and the Widener Building both hold links to important people in Philadelphia's past. One South Broad, designed by architect John Torrey Windrim in 1932, is the tallest tower (144m/ 472ft) east of Broad Street and holds the world's largest ringing bell: "Founder's Bell". The bell pays tribute to John Wanamaker, the famous retailer and the owner of the building and bell. The building had been the Philadelphia National Bank for decades, hence the initials "PNB" on the top. Many years earlier, in 1914, the Widener Building was completed by prominent gilded age architect Horace Trumbauer. Trumbauer had designed everything from the Elms Mansion (R.I.) to the Philadelphia Museum of Art to the Duke Chapel on the Duke University campus. Model created by Matt Brown.