Seven Systems of Indian Philosophy
Pandit Rajmani Tigunait, Ph.D., is the Spiritual Director of the Himalayan Institute.  He received his doctorate in Sanskrit from the University of Allahabad in India, and a doctorate of Philosophy from the University of Pennsylvania.  A disciple of Sri Swami Rama and lifelong practitioner of yoga and meditation, Pandit Tigunait is the author of many books and numerous articles, and has given lectures throughout the world.