Roy B. Zuck (ThD, Dallas Theological Seminary) is senior professor emeritus of Bible Exposition at Dallas Theological Seminary where he has been teaching for the past 23 years. He has also served as vice president for Academic Affairs and academic dean. Dr. Zuck's ministry is noted for clear exposition of Scripture with emphasis on application of the Bible to life. He is the author or editor of more than 90 books, has written scores of articles, and has long served as editor of Bibliotheca Sacra. During his sixty years as an author, pastor, teacher, and educator, Dr. John F. Walvoord articulated a comprehensive view of biblical knowledge. He served Dallas Theological Seminary for more than half a century as faculty member, president and chancellor. He continued to teach and preach until a few weeks before his death in 2002.