James W. Sire (Ph.D., University of Missouri), formerly a senior editor at InterVarsity Press, is an active speaker and writer. He has taught English, philosophy, theology, and short courses at many universities and seminaries. He continues to be a frequent guest lecturer in the United States and Europe. His InterVarsity Press books and Bible studies include (a worldviews textbook), and
Carl Peraino (Ph.D., University of Wisconsin) is a retired senior biochemist at Argonne National Laboratory. He is author or coauthor of approximately one hundred research articles, including "Reduction and Enhancement by Phenobarbital of Hepatocarcinogenesis Induced in the Rat by 2-Acetylaminofluorene," coauthored with R. J. Michael Fry and Everett Staffeldt, 31:1506-1512, October 1971. This paper signaled a significant shift forward in cancer research.