Robert K. Greenleaf published two posthumous essay collections (available at Greenleaf.org). Today scores of colleges and universities include Servant Leadership in their curricula and hundreds of companies embrace Greenleaf's philosophy. As Greenleaf strived to serve through education, he became the leader of a movement. Bass, B. M., and Stogdill, R. M. (1990). "Bass & Stogdill's Handbook of Leadership: Theory, Research, and Managerial Applications" (3rd ed.). New York:Free Press. Frick, Don M. (2004)." Robert K. Greenleaf: A Life of Servant Leadership." San Francisco: Berrett-Koehler Publishers. Greenleaf, R.K. (2003). "The Servant-Leader Within: a Transformative Path" New York: Paulist Press. Greenleaf, R. K. (2002). "Servant Leadership:
Medical intuitive Medical intuitive A medical intuitive is an alternative medicine practitioner who claims to use their self-described intuitive abilities to find the cause of a physical or emotional condition through the use of insight rather than modern medicine. Other terms for such a person include medical clairvoyant, medical psychic, intuitive counselor or fraud. The practice of claiming to use intuition or clairvoyance for medical information dates back to Phineas Parkhurst Quimby (1802–1866), whose intuitive healing practice began in 1854. Edgar Cayce (1877–1945) was known as one of the most well known medical clairvoyants. William M. Branham, the father of the Pentecostal