Mary Morse Baker Eddy was an influential and polarizing figure in American history, known primarily as the founder of the Christian Science movement and the author of its central text, Science and Health with Key to the Scriptures. Synonyms for her name might include "Mary Baker Eddy," "Mrs. Eddy," "founder of Christian Science," "author of Science and Health," or simply "Christian Science founder." Eddy's ideas and teachings continue to be debated and analyzed to this day, with some hailing her as a visionary spiritual leader and others criticizing her as a cult leader who suppressed dissent within her organization.