20 of today's most spiritually influential individuals

For people of faith, and even for many people who don't ascribe to a faith, there are times when it becomes necessary to find spiritual guidance outside of prayer, meditation or reflection and reading religious texts. Millions of people around the world have turned to spiritual leaders of all faiths to help them find guidance, deeper purpose and wisdom. The following men and women have made spiritually significant contributions, in a variety of faiths, on a global scale and have changed lives numbering in the millions.