Ellen G. White
Ellen Gould White (née Harmon; November 26, 1827 – July 16, 1915) was an American author, and was both the prophet and a co-founder of the Seventh-day Adventist Church. Along with other Adventist leaders, such as Joseph Bates and her husband James White, she was influential within a small group of early Adventists who formed what became known as the Seventh-day Adventist Church.