Donald Winnicott

Donald Woods Winnicott (7 April 1896 – 25 January 1971) was an English paediatrician and psychoanalyst who was especially influential in the field of object relations theory and developmental psychology. He was a leading member of the British Independent Group of the British Psychoanalytical Society, President of the British Psychoanalytical Society twice (1956–1959 and 1965–1968), and a close associate of British writer and psychoanalyst Marion Milner.

Winnicott is best known for his ideas on the true self and false self, the "good enough" parent, and he and his second wife, Clare, arguably his chief professional collaborator, worked with the notion of the transitional object. He wrote several books, including ''Playing and Reality'', and more than 200 papers. Provided by Wikipedia