Stephen Hupp, PhD, is a Clinical Psychologist and Professor of Psychology at Southern Illinois University Edwardsville (SIUE) in the United States. In 2015, he won the Great Teacher Award from the SIUE Alumni Association. He has published several books including Pseudoscience in Therapy and Dr. Huckleberry's True or Malarkey? Superhuman Abilities.

Richard Wiseman, PhD, is a Social Psychologist and Professor of the Public Understanding of Psychology at the University of Hertfordshire in the United Kingdom. He has published over 100 academic papers, written several best-selling psychology books (including The Luck Factor and 59 Seconds) and created psychology-based YouTube videos that have attracted over 500 million views.