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 Robert Greenleaf Leavitt Dr. Robert Greenleaf Leavitt (1865–1942) was an early American Harvard-educated botanist and widely published author in the field of botany, as well as an early college and high school educator in the natural sciences. Leavitt also worked for nine years as a botanical researcher at the Ames Botanical Laboratory in North Easton, Massachusetts. Dr. Leavitt was born in Parsonsfield, Maine. His parents were Susan Chapman Blazo and John Greenleaf Leavitt, a Congregational minister, who had been married in the early 1860s. Hean early botany professor at Harvard College, where he had graduated in the class of 1889