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 Greenleaf Leavitt to Maine, at my experiment station in a beautiful country among the foothills of the White Mountains. (My great great grandfather was a man of God-given taste in scenery)." In the following years, Leavitt authored many textbooks in the field of botany, many for high school students, including his "Outlines of Botany for the High School Laboratory and Classroom", which was widely reprinted. Robert Greenleaf Leavitt was the son of John Greenleaf Leavitt, an early student at Parsonsfield Seminary at Parsonsfield, Maine, who returned to his alma mater in 1861 to serve as the school's principal for one year, when