Mario Beauregard is an associate professor in the Departments of Radiology and Psychology at the Universite de Montreal (Canada).
Denyse O'Leary is a Canadian journalist based in Toronto who writes on topics related to science, religion, and faith.
Patrick Lawlor has recorded over three hundred audiobooks in just about every genre. He has been an Audie Award finalist multiple times and has garnered several AudioFile Earphones Awards, a Publishers Weekly Listen-Up Award, and many Library Journal and Kirkus starred audio reviews.