They shook things up. Chögyam Trungpa -- Mary Daly -- Mary Baker Eddy -- Robert W. Funk -- G.I. Gurdjieff -- Aimee Semple McPherson -- Elijah Muhammad -- Bhaktivedanta Prabuphada -- Bertrand Russell -- Zalman Schachter-Shalomi -- William J. Seymour -- Shirdi Sai Baba -- Starhawk -- Desmond Tutu -- They bore witness with their lives. ʻAbduʼl-Bahá -- Daniel Berrigan -- Dietrich Bonhoeffer -- Mahatma Gandhi -- Gustavo Gutiérrez -- Martin Luther King, Jr. -- Oscar Romero -- Malcolm X -- Their presence changed the world. Dalai Lama (Tenzin Gyatso) -- Billy Graham -- Abraham Joshua Heschel -- Pope John XXIII -- Pope John Paul II -- Ram Dass -- Rabindranath Tagore -- Vivekananda --They made intellect a spiritual force. Carl Gustav Jung -- Hans Küng -- Abraham Maslow -- Reinhold Niebuhr -- Alexander Schmemann -- Joseph Soloveitchik -- Paul Tillich -- Evelyn Underhill -- Ken Wilber -- They changed the world by writing. Thomas Berry -- Martin Buber -- Joseph Campbell -- Mircea Eliade -- Abraham Isaac Kook -- C.S. Lewis -- Huston Smith -- D.T. Suzuki -- Simone Weil -- They showed us love in action. Dorothy Day -- Catherine de Hueck Doherty -- Maha Ghosananda -- Mawlana Muhammad Ilyas -- Mother Teresa -- Walter Rauschenbusch -- Albert Schweitzer -- Robert Holbrook Smith -- Thich Nhat Hanh -- They brought the traditions together. Bawa Muhaiyaddeen -- Black Elk -- Deepak Chopra -- Bede Griffiths -- Hazrat Inayat Khan -- J. Krishnamurti -- Meher Baba -- Seyyed Hossein Nasr -- Paramahansa Yogananda -- Andrew Weil -- They spoke from the power of silence. Ajahn Chah -- Thomas Keating -- Maharishi Mahesh Yogi -- Thomas Merton -- Pema Chödrön -- Ramana Maharshi -- Seung Sahn -- Shunryu Suzuki