 Life-time friendships begun in Meinong’s Viennese academic period included those with the musicologist Guido Adler and the philosophers (also his pupils) Christian von Ehrenfels, Alois Höfler, and Anton von Oelzelt-Newin. During the time of his professorship in Graz he also became the teacher of, among others, Eduard Martinak, Stephan Witasek, Rudolf Ameseder, Vittorio Benussi, Ernst Mally, Joseph Marx, Franz Weber, Ferdinand Weinhandl, and Fritz Heider.