Donald B. DeYoung is a scientist, author, and teacher of physics and astronomy at Grace College in Winona Lake, Indiana. His other books include Astronomy and the Bible, Weather and the Bible, Dinosaurs and Creation, and Science and the Bible, vols. 1 and 2. Donald B. DeYoung is a scientist, author, and chairman of the science and mathematics department at Grace College in Winona Lake, Indiana. He is the author of several books on science and the Bible, including 77 Fairly Safe Science Activities for Illustrating Bible Lessons. Don has been president of the Creation Research Society, a worldwide group of scientists who promote biblical creation, for ten years.