Jeffrey B. Wagman, Ph.D. is Professor of Psychology at Illinois State University. His research focuses on perception of affordances. He is a recipient of the Illinois State University Outstanding University Researcher Award and a Japan Society for the Promotion of Science Invitation Fellowship for Research in Japan. He is an Associate Editor of the journal Ecological Psychology.

Julia J. C. Blau, Ph. D. is an Assistant Professor of Psychology at Central Connecticut State University. She earned her doctorate in ecological psychology from the University of Connecticut. Her research focuses on the fractality of event perception, as well as the ecological approach to film perception.