ARNO CLEMENS GAEBELEIN (1861-1945) was a German born Methodist minister who settled in the United States in 1879. He was a noted teacher, conference speaker, prolific author and commentator. While not seminary trained, he was a master of Hebrew, Aramaic, Syriac, and Arabic. He wrote many notable commentaries on Old and New Testament books. DAVID E. GRAVES (Ph.D., University of Aberdeen) has been involved in teaching the Bible and archaeology for more then thirty-five years and is currently an Assistant Professor at Liberty University, School of Divinity. He is the author of The Seven Messages of Revelation and Vassal Treaties; Key Themes of the Old Testament; Key Themes of the New Testament; The Location of Sodom; Biblical Archaeology Vol. 1 and Vol. 2; and has authored a number of articles on the Bible and archaeology.