Ernest Shurtleff Holmes (1887-1960) was an American writer and spiritual teacher. He was the founder of a movement known as Religious Science, also known as "Science of Mind," a part of the New Thought movement. He was the author of The Science of Mind and numerous other metaphysical books, and the founder of Science of Mind magazine, in continuous publication since 1927. His books remain in print, and the principles he taught as "Science of Mind" have inspired and influenced many generations of metaphysical students and teachers. Holmes had previously studied another New Thought teaching, Divine Science. Holmes was an ordained Divine Science Minister. His influence beyond New Thought can be seen in the self-help movement.