Jay R. Feierman retired as Clinical Professor of psychiatry at University of New Mexico in 2006. He has degrees in zoology and medicine with post-doc specialization and Board Certification in psychiatry. Almost all of his academic publications in both psychiatry and religion have been from the perspective of human ethology, the evolutionary biology of behavior. He has organized a number of international conferences on the evolutionary and biological aspects of religion. He also edited The Biology of Religious Behavior: The Evolutionary Origins of Faith and Religion (2009) and has a number of articles and book chapters in this area. Lluis Oviedo is full professor of Theological Anthropology (Antonianum University, Rome); and invited professor in the Theological Institute of Murcia (Spain) for questions of religion, society and culture. Has published the books: Secularization as a Problem; Altruism and Charity; The Christian Faith and the New Social Challenges; and is Co-Editor with A. Runehov of the Encyclopedia of Sciences and Religions. His research focuses on new scientific study of religion and its theological impact, and issues about secularization and religious social dynamics.