The British Psychoanalytical Society was founded by the British neurologist Ernest Jones as the London Psychoanalytical Society on 30 October 1913. It is one of two organizations in Britain training psychoanalysts, the other being the British Psychoanalytic Association. The society has been home to a number of important Psychoanalysts, including Wilfred Bion, Donald Winnicott, Anna Freud and Melanie Klein. Today it has over 400 members and is a member organisation of the International Psychoanalytical Association.