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:
John Greenleaf Whittier John Greenleaf Whittier John Greenleaf Whittier (December 17, 1807 – September 7, 1892) was an American Quaker poet and advocate of the abolition of slavery in the United States. Frequently listed as one of the Fireside Poets, he was influenced by the Scottish poet Robert Burns. Whittier is remembered particularly for his anti-slavery writings as well as his book "Snow-Bound". John Greenleaf Whittier was born to John and Abigail (Hussey) at their rural homestead in Haverhill, Massachusetts, on December 17, 1807. His middle name is thought to mean 'feuillevert' after his Huguenot forebears. He grew up on the farm in