The author, Arun Chatterjee, is a Professor Emeritus of Civil and Environmental Engineering, The University of Tennessee, Knoxville, TN. He has been studying philosophy and religion for nearly 40 years. He has studied Sri Aurobindo’s philosophy extensively. He published several articles on philosophy and religion in different journals in India. Some of those articles were revised and included in this book. (A more detailed background of him is presented in Author’s Acknowledgement.)