Ernest Holmes (1887-1960) was an American author and spiritual teacher best known for founding the Science of Mind movement. He developed a philosophy that combines elements of Christianity, Eastern religions, and New Thought, emphasizing the power of thought and the importance of personal spiritual experience. Holmes wrote several influential books, including his most famous work, The Science of Mind. His teachings focus on the idea that individuals can create their own reality through positive thinking and spiritual practices. Holmes' legacy continues through various organizations and practitioners who promote his ideas worldwide.