[1] Hartungen received a private education at his parents house in Vienna before his family moved to Riva, on Lake Garda, where he studied at schools in Brixen and Trento.
[5] After training in sanatoria in Engelberg in Switzerland and Arco in Italy, Hartungen ran the spas of Tobelbad in Graz and Agathenhof in Carinthia.
This was a nature and water cure spa, visited by aristocrats, writers, diplomats, scientists and artists.
[4] During the war, from 1915 to 1918, von Hartungen worked as a senior medical officer of the Sovereign Military Order of Malta.
[10] Other notable patients treated by Hartungen included Albin Egger-Lienz, Kazimiera Iłłakowiczówna, Thomas Mann, Heinrich Mann, Franz Kafka, Christian Morgenstern, Eugen d’Albert, Hermann Sudermann, Henry Thode, Kurt Schuschnigg, Louis Kolitz, Max Brod, Prince Philipp of Saxe-Coburg and Gotha, Ernst Gunther, Duke of Schleswig-Holstein, Princess Dorothea of Saxe-Coburg and Gotha, and Prince Louis of Liechtenstein.