Technische Universität München
From 1927 to 1933, Haxel studied at the "Technische Hochschule München" (today, the Technische Universität München) and the "Eberhard-Karls-Universität Tübingen". He received his doctorate in 1933, under Hans Geiger at the University of Tübingen. From 1933 to 1936, Haxel was Geiger’s teaching assistant there, and he completed his Habilitation in 1936.