John Gerstner (1914-96) was a significant leader in the renewal of Presbyterian and Reformed evangelicalism in America during the second half of the twentieth century. Gerstner's work as a church historian sought to shape evangelicalism, but also northern mainline Presbyterianism. In order to promote evangelical thought he wrote, taught, lectured, debated, and preached widely. In pursuing his aims he promoted the work of the great colonial theologian Jonathan Edwards. He also defended and...