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 Lawson (author) The largest collection of Robert Lawson's art is at the Free Library of Philadelphia Rare Book Department. Citations Robert Lawson (author) Robert Lawson (October 4, 1892 – May 27, 1957) was an American writer and illustrator of children's books. His work was widely admired, and he became the first, and so far only, person to be given both the Caldecott Medal, for "They Were Strong and Good" (1941), and a Newbery Award, for "Rabbit Hill" (1945). Born in New York City, Lawson spent his early life in Montclair, New Jersey. Following high school, he studied art for three years under