Nehemiah Scudder is the theocrat called the "Prophet" whose followers overthrew the United States government and instituted a theocratic dictatorship which controlled the country for several generations in Robert A. Heinlein's novella If This Goes On--- The theocracy was itself overthrown by a resistance movement. His followers included colonists on Venus, but the movement apparently was dominant only in the United States. He is also called the Prophet. The rationalist Heinlein probably took as his models the Mormons and protestant fundamentalists.