Douglas F. Kelly

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Douglas Floyd Kelly (born September 23, 1943) is a Presbyterian pastor, theologian and noted author, who was the Richard Jordan Professor of Theology at Reformed Theological Seminary for 33 years from 1982 to 2016, during which time he published numerous books and articles, of which he is best known for If God Already Knows, Why Pray? (1992), his translations of Calvin's Sermons on II Samuel (1989) and his three volume magnum opus of systematic theology: Volume One: The God Who Is: The Holy Trinity (Mentor, 2008); Volume Two: The Beauty of Christ: A Trinitarian Vision (Mentor, 2014); and Volume Three: The Holy Spirit and the Church (Mentor, 2021).