Shortly following the Second World War, and under the medical direction of ex-army psychiatrist T. F. Main, the Cassel Hospital for Functional Nervous Disorders emerged as a pioneering democratic ‘therapeutic community’ in the treatment of mental illness. This definitive movement away from conventional ‘custodial’ assumptions about the function of the psychiatric hospital initially grew out of a commitment to sharing therapeutic responsibility between patients and staff and to preserving patients’ pre-admission responsibilities and social identities.