Robert Kramer, PhD, is an existential psychoanalyst in Budapest. He is editor of Otto Rank's "A Psychology of Difference: The American Lectures" (Princeton University Press, 1996); co-editor, with E. James Lieberman, of "The Letters of Sigmund Freud and Otto Rank: Inside Psychoanalysis" (Johns Hopkins University Press, 2012); and author of "The Birth of Relationship Therapy: Carl Rogers Meets Otto Rank" (Psychosozial Press, 2022).