Mary Baker Eddy was an American religious leader and author who founded The Church of Christ, Scientist, in New England in 1879. She also founded The Christian Science Monitor in 1908, and three religious magazines: the Christian Science Sentinel, The Christian Science Journal, and The Herald of Christian Science. She wrote numerous books and articles, the notable of which were Science and Health with Key to the Scriptures and Manual of The Mother Church. Other works were edited posthumously into the Prose Works Other than Science and Health.

The Church of Christ, Scientist was founded in 1879 in Boston, Massachusetts, by Mary Baker Eddy, author of Science and Health with Key to the Scriptures, and founder of Christian Science. The church was founded "to commemorate the word and works of Christ Jesus" and "reinstate primitive Christianity and its lost element of healing".