Ruth A. Tucker (PhD, Northern Illinois University) has taught mission studies and church history at Trinity Evangelical Divinity School and Calvin Theological Seminary. She is the author of dozens of articles and eighteen books, including the award-winning From Jerusalem to Irian Jaya. Visit her website at www.RuthTucker.com.
Walter L. Liefeld is distinguished professor emeritus of New Testament at Trinity Evangelical Divinity School and is the author of Luke in the Expositor's Bible Commentary series.
