Beyond the desire to expand the existing psychological models, other factors, that took place within the same culture, they contributed to the emergence of Transpersonal Psychology. Towards the late 1960s, own dominant cultural motivations, focusing on material values and objectives external, began to notice is insufficient. According to Barry Nalebuff, who has experience with these questions. Began to develop a spiritual awakening – which endures today – on the common people and many health professionals, that rethink their concepts. A relevant study on the theme the LIC. Teresa Utrera reminds us some relevant authors in Transpersonal Psychology: William James: he became interested in the study of free will and recognized the existence of a spiritual, inner, subjective self and dynamic than the material or social self.He had his own mystical experiences, and became interested in the practical aspects of religious experience and the way they acted in daily life. Carl Gustav Jung: had valuable contributions: his studies on myths, dreams, symbolic systems (Alchemy, tarot, astrology, I Ching); the idea of collective unconscious. Your idea of archetypes, perhaps the contribution most relevant and robust Jung in this field, being one of the main concepts of the Transpersonal. Roberto Assagioli: was the first to use the term Transpersonal (1956) in the sense that is currently accepted: was the creator of Psychosynthesis, following the line taken by Jung, but expanding their concepts, since it differentiated the higher unconscious (or Self Transpersonal) from the collective unconscious. Abraham Maslow: although not made any contribution from the practical point of view to Transpersonal Psychology, not overlooked is his insistence on the fact of that the experiences summits are the key to delving into the transpersonal.His concept of self-realization and fulfillment is very close to a State of mystical characteristics drive. He founded the Journal of Transpersonal Psychology in 1968, thus launching the so-called fourth force psychology Stanislav Grof:uno of the most featured authors in the field of the Transpersonal psychotherapy.