Robert M. Doran, S.J., specialized in Catholic systematic theology and the philosophy and theology of Bernard Lonergan. As well as authoring many books, Father Doran also authored articles in several professional journals, and is co-Founder and Director Emeritus of the Lonergan Research Institute, Toronto, and Founding Director of the Marquette Lonergan Project.

Joseph Ogbonnaya is Associate Professor of Systematic Theology at Marquette University. He is the author of numerous articles and books including: African Perspectives on Culture and World Christianity, African Catholicism and Hermeneutics of Culture, Conscious in Two Ways: Robert M. Doran Remembers, and Intellect, Affect, and God: The Trinity, History, and the Life of Grace.