Marian F. Sia was Assistant Principal and Teacher of English Literature at Terenure College, Dublin, Ireland. She and Santiago Sia have co-written a number of academic books, philosophical novels and research papers. Santiago Sia was Professor and Dean of the Faculty of Philosophy at Milltown Institute (National University of Ireland), Dublin, Ireland, having been Professor of Philosophy at Loyola Marymount University, Los Angeles, USA, for several years. He is also the author and editor of several scholarly books and journal articles, and is an international lecturer.