Since it was founded in 1920, the Tavistock Clinic has developed a wide range of psychotherapeutic approaches to community mental-health which have always been strongly influenced by psychoanalysis. In the last thirty years it has also developed systemic family therapy as a new theoretical model and clinical approach to family problems. The Clinic has become the largest training im3tit Ution in Britain for work of this kind, providing post-graduate and qualifying courses in social work, psychology, psychiaay, child, adolescent and adult psychotherapy and, latterly, in nursing. It trains about 1200 student each year in over 45 courses.