Charles H. Spurgeon (1834–1892) was an English Baptist pastor at New Park Street Chapel, London (which later became the Metropolitan Tabernacle), for thirty-eight years. As the nineteenth century's most prolific preacher and writer, his ministry legacy continues today. 

Randy Alcorn (MA, Multnomah University) is the founder and director of Eternal Perspective Ministries and a New York Times best-selling author of over fifty books. His books have sold over nine million copies and been translated into nearly seventy languages. Alcorn resides in Gresham, Oregon, with his wife, Nanci. They have two married daughters and five grandsons.