June Singer June Singer is best known for her classic work Boundaries of the Soul, which has been a major influence in popularizing Jung's work. Her other books include: Modern Woman in Search of Soul, Androgyny, and Blake, Jung, and he Collective Unconscious. A Zurich-trained Jungian psychoanalyst, member of the C. G. Jung Institute of San Francisco and founding member of the Chicago Institute, June Singer lives in Cleveland, where she maintains a private practice in Jungian analysis and transpersonal psychotherapy. Read More Read Less