The advent of private psychotherapy, at the end of the nineteenth century, split psychiatry in two: some patients continued to be the involuntary inmates of state hospitals; others became the voluntary patients of privately practicing psychotherapists. Psychotherapy was officially defined as a type of medical treatment, but actually was a secular-medical version of the cure of souls. Relationships between therapist and patient, Thomas Szasz argues, was based on cooperation and contract, as is relationships between employer and employee, or, between clergyman and parishioner. Psychotherapy, its emblem the therapist's office, was a part of the private sphere, the contract. Through most of the twentieth century, psychiatry was