Richard Gregg was a twentieth-century pacificist and social philosopher. He was among the first Americas to study with Mohandas Gandhi in India and later wrote The Power of Non-Violence, the essential guide t to peaceful protest that informed the methods of Martin Luther King, Jr., in the American civil rights movement and inspired many other activisits. Gregg's holistic vision of a peaceful and compassionate world combine nonviolence, environmental sustanibility, and simple living.