M. Esther Harding, M.D., was a leading Jungian analyst for many years and a founder of the Analytical Psychology Club of New York. She is also the author of Women's Mysteries- Ancient and Modern; Psychic Energy- Its Sources and Its Transformation; and I & the ""Not-I""- A Study of the Development of Consciousness.
""This investigation is valuable and important, not only for the specialist, but also for the educated layman, who is interested in a psychology founded on experience of life and the understanding of people.""—C. G. Jung