Charles Grandison Finney (August 29, 1792 – August 16, 1875) was an American Presbyterian minister and leader in the Second Great Awakening in the United States. He has been called the "Father of Modern Revivalism." Finney was best known as a flamboyant revivalist preacher from 1825 to 1835 in the Burned-over District in Upstate New York and Manhattan, an opponent of Old School Presbyterian theology, an advocate of Christian perfectionism, and a religious writer.