Demonology and therapy "Exorcism and Psychoanalysis" is the title of a book by Hugo Ball that was planned but never realized. Ball, with his partner Emmy Hennings, was one of the founding figures of Dadaism in Zurich after abandoning his studies of philosophy and working in theater. However, they soon abandoned Dadaism and pursued a religious way of life until Ball's early death. Sketches, dispositions, and notations for the book...