Question: Who is the psychoanalyst after which psychoanalyst author and trainer John Steiner has been called "a prolific London post-Kleinian"?
Sentence (from "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'.
Relevant evidence: Yes