The Martin-Luther-University Halle-Wittenberg ( MLU ) offers a wide range of subjects in the humanities, social sciences, natural sciences and medical sciences. The largest and oldest university in Saxony-Anhalt was founded in 1817 from the merger of the University of Wittenberg, founded in 1502, and the Friedrichs University Halle, founded in 1694. Today it has about 20,000 students and 340 professors.