Karen Zelan was trained in psychoanalytic milieu therapy at the University of Chicago s Orthogenic School. She served as a senior staff supervising psychologist at Boston Children s Hospital Medical Center and as a Harvard Medical School instructor in the department of psychiatry. She has written extensively on children s learning and is the coauthor, with Bruno Bettelheim, of "On Learning to Read". She is a psychotherapist to troubled youth in Berkeley, California, where she resides with her husband. Her son and daughter, now grown, live nearby.