John H. Gerstner (1914-1996) was Professor of Church History at Pittsburgh Theological Seminary and an authority on the life and theology of Jonathan Edwards. He earned both a Master of Divinity degree and a Master of Theology degree from Westminster Theological Seminary. He earned his Doctor of Philosophy degree from Harvard University in 1945. He pastored several churches before accepting a professorship at Pittsburgh-Xenia theological Seminary, where he taught church history for over 30 years. He was a visiting professor at Trinity Evangelical Divinity School in Deerfield, Ill., and adjunct professor at Knox theological Seminary in ft. Lauderdale, FL. The author of many books and articles, his magnum opus is the three volume set, The Rational Biblical Theology of Jonathan Edwards.