William Miller

William Miller (February 15, 1782 - December 20, 1849) was an American farmer and Baptist minister who prophesied the Second Coming of Jesus Christ in 1843 (and later 1844), spawning a popular religious movement known as Millerism and the consequent Great Disappointment when the prophecy was seen to have failed to come to pass. His theology became a basis for later Advent movements, including the Advent Christians (1860) and the Seventh-day Adventists (1863).