As a young teenager, he was profoundly affected by World War II. Until his graduation from gymnasium, Habermas lived in Gummersbach, near Cologne. His father, Ernst Habermas, was executive director of the Cologne Chamber of Industry and Commerce, and was described by Habermas as a Nazi sympathizer. He was brought up in a staunchly Protestant milieu, his grandfather being the director of the seminary in Gummersbach. He studied at the universities of Göttingen (1949/50), Zürich (1950/51), and Bonn (1951–54) and earned a doctorate in philosophy from Bonn in 1954 with a dissertation written on the conflict between the absolute and history in Schelling's thought, entitled, Das Absolute und die Geschichte. Von der Zwiespältigkeit in Schellings Denken ("The absolute and history: on the schism in Schelling's thought"). His dissertation committee included Erich Rothacker and Oskar Becker.