High Quality Content by WIKIPEDIA articles! John Rawlings Rees OBE MD RAMC (also known as `Jack`) (25 June 1890 – 11 April 1969) was a wartime and civilian psychiatrist and became a brigadier in the British Army. He was a member of the group of key figures at the original Tavistock Clinic (more correctly called the Tavistock Institute of Medical Psychology) and became its medical director from 1934. This group specialised in the new `dynamic psychologies` of Sigmund Freud and his followers, and in particular the Object relations theory of Ronald Fairbairn and others. He was recruited to the British Army during the second world war. According, to Eric Trist, another key member of the original Tavistock group, who was later to become director of the Tavistock Institute: