Don B. DeYoung is a professor of physics at Grace College, Winona Lake, Ind. A member of faculty there since 1972, he is known internationally for his work in creation science. He is president of the Creation Research Society, author of 15 books on Bible-science topics, and well known as a creation science speaker. Dr. DeYoung earned his A.S. degree from Grand Rapids Junior College, B.S. and M.S. degrees from Michigan Technological University, M.Div. from Grace Theological Seminary, and Ph.D. degree from Iowa State University.