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:
Robert Spencer (author) Robert Spencer (author) Robert Bruce Spencer (born February 27, 1962) is an American author and blogger and a key figure of the "counter-jihad" movement in the United States. He appears frequently on Fox News and has given seminars to various law enforcement units in the United States. Spencer, a self-proclaimed expert on radical Islam, has published a number of books on the subject including two "New York Times" bestsellers. In 2003 he founded and has since directed Jihad Watch, a blog which he describes as containing "news of the international jihad, [and] commentary" which is dedicated to "bringing public attention