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 M. Citino second Distinguished Book Award; he previously received one in 2004 for his book "Blitzkrieg to Desert Storm." Citino was a visiting professor at the United States Army War College in Carlisle, Pennsylvania for the 2013–14 academic school year. Robert M. Citino Robert M. Citino (born June 19, 1958) is an American military historian and the Samuel Zemurray Stone Senior Historian at the National WWII Museum. He is a leading authority on modern German military history, with an emphasis upon World War II and the German influence upon modern operational doctrine. Citino is an award-winning author on military history, receiving recognition