John C. Whitcomb has authored a number of books dealing with the Bible and science, including The Genesis Flood (with Henry Morris), The Early Earth, and The World That Perished. Among his other published writings are commentaries on the Old Testament books of Daniel, Esther, Ezra, and Nehemiah. For thirty-eight years he served as Professor of Theology and Old Testament at Grace Theological Seminary. A graduate of Princeton University (B.A.) and Grace Theological Seminary (B.D., Th.M., Th.D.), he now serves as president of Whitcomb Ministries.