William G.T. Shedd (1820-1894), was a Congregational and, later, a Presbyterian pastor. He had a distinguished career as a Professor of English literature prior to his teaching of theology. He was Baldwin Professor at Union Theological Seminary and also served at the theological seminaries at Auburn Seminary, Andover, and finally at Union Seminary, New York. He is best known for his three-volume "Dogmatic Theology", "Calvinism: Pure and Mixed", "Sermons to the Natural Man and Sermons to the Spiritual Man". He also wrote "The Doctrine of Endless Punishment". All the titles mentioned have been published by the "Banner of Truth Trust."