Joseph Murphy, PhD, DD (1898–1981) was a world-renowned authority on mind dynamics and author of numerous bestselling books. His ability to provide practical techniques that anyone can use as a tool for physical, social, economic, and spiritual self-improvement gained him a loyal worldwide following of millions. He wrote, taught, counseled, and lectured to thousands over a fifty-year career. He was the minister-director of the Church of Divine Science in Los Angeles for twenty-eight years, where his lectures were heard by thousands every week. Among his dozens of books are The Power of Your Subconscious Mind, Think Yourself Rich, Believe in Yourself, and many others. A renowned authority on mysticism and mind dynamics, his work continues to influence followers worldwide.