For over sixty years John Whitcomb has taught courses on Bible prophecy, especially in the Old Testament books of Isaiah, Jeremiah, Ezekiel, Daniel, Zechariah, and Malachi. He has authored two books that deal with prophecy – Daniel (Moody Press) and Esther and the Destiny of Israel (BMH Books) – as well as three prophetic time charts and several CD and DVD albums. For thirty-eight years he served as professor of theology and Old Testament at Grace Theological Seminary. An honors graduate of Princeton University (B.A., 1948) and Grace Theological Seminary (B.D., Th.M., Th.D.), he now serves as an ordained elder in the Conservative Grace Brethren Churches International and as president of Whitcomb Ministries.