the south. During the winter, its airport receives charter flights from around Europe. Salzburg Zoo, located south of the city in Anif Education Salzburg is a center of education and home to three universities, as well as several professional colleges and gymnasiums (high schools). Universities and higher education institutions Salzburg University of Applied Sciences University of Salzburg, a federal public university Paracelsus Medical University Mozarteum University Salzburg, a public music and dramatic arts university Alma Mater Europaea, a private university SEAD – Salzburg Experimental Academy of Dance Notable citizens Saint Liutberga (died c. 870) The composer Wolfgang Amadeus Mozart, born and raised in Salzburg when it was part of the Prince-Archbishopric of Salzburg within the Holy Roman Empire, was employed as a musician at the archbishopal court from 1773 to 1781. His house of birth and residence are tourist attractions. His family is buried in a small church graveyard in the old town, and there are many monuments to "Wolferl" in the city. The composer Johann Michael Haydn, brother of the composer Joseph Haydn. His works were admired by Mozart and Schubert. He was also the teacher of Carl Maria von Weber and Anton Diabelli and is known for his sacred music. Christian Doppler, expert on acoustic theory, was born in Salzburg. He is most known for his discovery of the Doppler effect. Josef Mohr, born in Salzburg. Together with Franz Gruber, he composed and wrote the text for "Silent Night". As a priest in neighboring Oberndorf he performed the song for the first time on Christmas Eve 1818. King Otto of Greece was born Prince Otto Friedrich Ludwig of Bavaria at the Palace of Mirabell, a few days before the city reverted from Bavarian to Austrian rule. Writer Stefan Zweig, lived in Salzburg for about 15 years, until 1934. The Trapp Family, including Georg von Trapp, Maria von Trapp, and their children lived in Salzburg until they fled to the United States following the Nazi takeover. Salzburg is the birthplace of Hans Makart, a 19th-century Austrian painter-decorator and national celebrity. Makartplatz (Makart Square) is named in his honor. Writer Thomas Bernhard, raised in Salzburg, spent part of his life there. Herbert von Karajan, notable orchestral conductor. He was born in Salzburg and died in 1989 in neighboring Anif. Roland Ratzenberger, Formula One driver, was born in Salzburg. He died in practice for the 1994 San Marino Grand Prix. Joseph