Who is the psychoanalyst after which psychoanalyst author and trainer John Steiner has been called "a prolific London post-Kleinian"?
John Steiner (psychoanalyst): John Steiner is a psychoanalyst, author and trainer at the British Psychoanalytical Society. John Steiner (psychoanalyst):  Steiner, a 'prolific London post-Kleinian', is best known for his conceptions of the "pathological organisation" or the "psychic retreat"...between the paranoid-schizoid and the depressive positions'. Melanie Klein: Melanie Reizes Klein (30 March 1882 – 22 September 1960) was an Austrian-British psychoanalyst who devised novel therapeutic techniques for children that influenced child psychology and contemporary psychoanalysis.
Melanie Reizes Klein