Aiden Wilson Tozer (1897 –1963) was an American Christian pastor, preacher, author, magazine editor, and spiritual mentor. 44 years of ministry, associated with the Christian and Missionary Alliance (C&MA), a Protestant Evangelical denomination. Among the more than 60 books that bear his name, at least two are regarded as Christian classics: The Pursuit of God and The Knowledge of the Holy. His books impress on the reader the possibility and necessity for a deeper relationship with God.
John F. MacArthur, Jr. (born June 19, 1939) is a pastor and author known for his internationally syndicated radio program Grace to You. He has been the pastor-teacher of Grace Community Church in Los Angeles, Ca since February 9, 1969. Theologically, MacArthur is considered a Calvinist, and a strong proponent of expository preaching. He has authored or edited more than 150 books, most notably the MacArthur Study Bible, which has sold more than 1 million copies (Gold Medallion Book Award).
John Calvin (1509–1564) was an influential French theologian and pastor during the Protestant Reformation. He was a principal figure in the development of the system of Christian theology later called Calvinism. John Calvin was Martin Luther's successor as the preeminent Protestant theologian. Calvin made a powerful impact on the fundamental doctrines of Protestantism, and is widely credited as the most important figure in the second generation of the Protestant Reformation.
David Joseph Platt (born July 11, 1979) is an American pastor. He is currently the president of the Southern Baptist Convention's International Mission Board, and he is also the author of the New York Times Best Seller Radical: Taking Back Your Faith from the American Dream. After he finished his doctorate, Platt served at New Orleans Baptist Theological Seminary as Dean of Chapel and Assistant Professor of Expository Preaching and Apologetics.