The Third Force in Psychology Author:Abraham Maslow, Fritz Perls, Stanislav Grof Live Recording - One Cassette Maslow, Perls and Grof engage in a spontaneous, spirited discussion about the directions and meaning of the Human Potential Movement. Moderated by Julian Silverman. Note: The inherent difficulities of live recordings and the age of some of the recordings can cause variations in the sound quality. ABRAHAM M... more »ASLOW (1908-1970) was a psychologist and teacher and was one of the foremost spokesmen of humanistic psychology. He authored numerous books including the classic "Towards a Psychology of Being".« less