H. D. Kreilkamp is a graduate of the Pontifical Oriental Institute of Rome and Catholic University of America, has served as a professor at seminaries and colleges in the United St...view moreH. D. Kreilkamp is a graduate of the Pontifical Oriental Institute of Rome and Catholic University of America, has served as a professor at seminaries and colleges in the United States, and was cofounder of the Institute of Philosophy in Tanzania. His books include Origin of the Patriarchate of Constantinople and Come, Lord Jesus!view less