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:
What Richard Did Power, author of the book that was the source material for the movie, the university scenes at the end of the film were shot at University College Dublin. Reviews for "What Richard Did" were overwhelmingly positive. The review aggregator website Rotten Tomatoes reported a 93% approval rating with an average rating of 7.6/10 based on 30 reviews. On the review aggregator Metacritic, the film has a score of 80 out of 100, based on 13 critics, indicating "generally favorable reviews". Peter Bradshaw, writing in "The Guardian", called the film slow-burning and disturbing. "Abrahamson shows that whatever the failings and weaknesses