“The initial line of thought emerged in 1917 with Ferenczi and, early in the 1930s, Sullivan, coiner of the term “interpersonal”. British psychologists Melanie Klein…”
"Within the London psychoanalytic community, a conflict of loyalties took place between Klein and object relations theory (sometimes referred to as "id psychology"), and Anna Freud and ego psychology."
“A more restrained circulation of letters between Freud, Jones and Eitingon has certainly been going on for a long time now. I am treated like a sick person who must be spared. (Clinical Diary, 2 October 1932, pp. 212–213)”