Chris received his B.A. in computer science and his Ph.D. in psychology from Harvard University, where he was also a Lecturer and Research Associate for many years. He is now Assistant Professor of Psychology at Union College in Schenectady, New York, Adjunct Assistant Professor of Neurology at Albany Medical College, and a Visiting Scholar at the MIT Center for Collective Intelligence. His research focuses on two main areas: how people differ from one another in mental abilities and patterns of behavior, and how cognitive illusions affect our decisions. He has published papers on a diverse array of topics, including human intelligence, beauty and the brain, face recognition, the Mozart effect, group performance, and visual cognition. Chris also writes occasionally for the Wall Street Journal. Chris is also a chess master and poker amateur.

Daniel Simons is a Professor in the Department of Psychology and the Beckman Institute at the University of Illinois. Simons received his B.A. in Psychology and Cognitive Science from Carleton College and his Ph.D. in Experimental Psychology from Cornell University. He then spent five years on the faculty at Harvard University before moving to Illinois in 2002. His scholarly research focuses on the limits of human perception, memory, and awareness, and he is best known for his research showing that people are far less aware of their visual surroundings than they think. His work is published in top scientific journals and is discussed regularly in the popular media. His studies and demonstrations have been exhibited in more than a dozen science museums worldwide. In his spare time, he enjoys juggling, bridge, and chess.