Book excerpt: Ellen Gould White (née Ellen Gould Harmon; November 26, 1827 - July 16, 1915) was an author and an American Christian pioneer. Along with other Sabbatarian Adventist leaders such as Joseph Bates and her husband James White, she formed what became known as the Seventh-day Adventist Church. The Smithsonian magazine named Ellen G. White among the "100 Most Significant Americans of All Time.