John N. Oswalt is an American scholar and distinguished professor of Old Testament at Asbury Theological Seminary. He teaches in theology, Old Testament and ancient semitic languages including Hebrew. He is the author of 11 scholarly books; foremost is the 2-volume commentary on the Book of Isaiah in the New International Commentary on the Old Testament series. Exodus: The Way Out (2013) is a recent work. Oswalt adheres to single, unitary authorship of the Book of Isaiah. Numerous scholarly journals, biblical encyclopedias and academic religious periodicals have included articles by him.