Douglas K. Johanson earned his bachelor's degree in mathematics with minors in physics, aerospace studies, and German and a master's degree in education. He served in the USAF for ...lihat lebih banyakDouglas K. Johanson earned his bachelor's degree in mathematics with minors in physics, aerospace studies, and German and a master's degree in education. He served in the USAF for twenty years as a plans officer and as an F-111 navigator. Afterwards, he taught high school math and German. He is a life-long student and lover of the scriptures and the gospel of Jesus Christ. He and his wife, Janice, have six children and twenty-five grandchildren.lihat lebih sedikit