[2] His father's concern for the safety of his family during Hitler's reign led him to research various countries to move to, eventually settling in Shanghai, China.
[1] Peter Loewenberg was instrumental in lobbying the California legislature to pass the Research Psychoanalyst Law of 1977 [4][5] Prior to that time, some non-clinician academics were occasionally allowed to study psychoanalysis at US psychoanalytic institutes, as Loewenberg himself had done at the Southern California Psychoanalytic Institute (SCIPI, now merged into the New Center for Psychoanalysis in Los Angeles).
However, Loewenberg was required to obtain a degree and license in Marriage and Family Therapy (MFT) in order to practice as a psychoanalyst.
His view is that psychoanalysis allows the historian "to more effectively move back and forth across the internal boundaries between conscious, pre-conscious, and unconscious processes.
He was Dean and Chairman of the Education Committee and Director of the Training School of the Southern California Psychoanalytic Institute and the New Center for Psychoanalysis, Los Angeles, 2001–2006.