Thomas Wynn is a distinguished professor of anthropology at the University of Colorado, Colorado Springs. Since the 1970s, his research has centered on the explicit use of psychological theory to interpret archaeological remains. He has published extensively on hominin cognitive evolution.

Frederick L. Coolidge is a professor of psychology at the University of Colorado, Colorado Springs (UCCS). He is the co-director of the UCCS Center of Cognitive Archaeology. He is the author or co-author of several books spanning the disciplines of cognitive archaeology, statistics, and psychology.