Cornelius Blatchley
Cornelius Camden Blatchley (January 1, 1773 – December 5, 1831) was an American physician, utopian social reformer, Quaker dissident, and one of the earliest published critics of the Book of Mormon. He helped found the New York Society for Promoting Communities (1820), published the communitarian tract An Essay on Common Wealths (1822), and corresponded with Thomas Jefferson and James Madison about education, poverty, and cooperative Christian commonwealths.