Ernst Falzeder, a psychologist in Liezen, Austria, has published widely on the history of psychoanalysis.
Eva Brabant is a psychoanalyst and historian in Paris.
Patrizia Giampieri-Deutsch is a psychoanalyst and lecturer in philosophy at the University of Vienna.
Peter T. Hoffer is Professor of German at the University of the Sciences in Philadelphia.
Axel Hoffer, M.D., a practicing psychoanalyst in the Boston area, is on the faculty of Harvard Medical School and the Psychoanalytic Institute of New England (PINE).