The Rhine, bending northward, divides the city into two parts, linked by six bridges. Kleinbasel, to the north, is the Rhine port and industrial section, with the buildings of the annual Swiss Industries Fair. Grossbasel, the older commercial and cultural centre on the south bank, is dominated by the Romanesque and Gothic-style Münster (Protestant); consecrated in 1019, it was Basel's cathedral until 1528 and has a monumental slab to Erasmus, who is entombed there. Other notable buildings are the late Gothic Rathaus, or town hall (1504–21); the Church of St. Martin, the oldest religious foundation in Basel; and the former 14th-century Franciscan church, now housing the historical museum. There are three surviving medieval city gates, of which the 15th-century Spalentor (St. Paul's Gate) is one of the finest in Europe. The new university buildings were completed in 1939; the university library contains manuscripts of the religious reformers Martin Luther, Erasmus, Huldrych Zwingli, and Philipp Melanchthon and of acts of the Ecumenical Council. The public art gallery (Kunstmuseum Basel, founded 1662) has fine collections of works by Hans Holbein the Younger, Konrad Witz, and Arnold Böcklin, all of whom lived and worked in Basel. The museum of the private Foundation Beyeles is renowned for its changing exhibitions of 20th-century painters.