World War I. As a result, he became involved in psychoanalysis and virtually stopped writing. Although he did not fight in World War I because of poor eyesight, he did work on behalf of freeing German prisoners of war. He also became an adamant war resister and worked heavily with other progressives in publishing anti-war polemics. Hesse's psychoanalysis with Dr. Lang and Dr. Jung, the two leading psychoanalysts of the day, influenced his later writing, which displayed a more introspective, spiritual nature. His travels to India and study of Eastern thought also led to greater introspection. His love of music, inherited from his mother, also influenced his writing. In 1919, as a protest against German militarism, Hesse moved to Switzerland, where he lived in self- imposed exile in a villa outside a small village until his death in 1962. It was here where Hesse embarked on his own journey of self-realization and where he produced his best known books, such as Demian, Klein and Wagner, Klingsor's Last Summer, Steppenwolf, and The Glass Bead Game. ...