Rolf A. Jacobson (PhD, Princeton Theological Seminary) is professor of Old Testament and the Alvin N. Rogness Chair of Scripture, Theology, and Ministry at Luther Seminary in St. Paul, Minnesota. He is the coauthor, with Michael J. Chan, of Introducing the Old Testament.
Karl N. Jacobson (ThD, Providence Theological School) is senior pastor of Lutheran Church of the Good Shepherd in Minneapolis, Minnesota. He previously taught at Augsburg College. He is the author of Memories of Asaph and has coauthored several books with Rolf Jacobson.