Deri briefly reviews the contributions of four prominent Hungarian analysts—Michael Balint, Sandor Ferenczi, Imre Hermann, and Lipot Szondi. All were similar in their view that the psyche of the newborn is not a closed system involving primary narcissism and motivated by tension-reduction. Deri regards the four as early object-relation theorists, who concentrated on the early mother-child relation and the traumatic effects of its disruption.