Allison B. Kaufman is a research scientist for the Department of Ecology and Evolutionary Biology at University of Connecticut, USA, where she runs a research program focusing on communication and innovation in animals. Josep Call is the Wardlaw Professor in the Evolutionary Origins of Mind for the School of Psychology and Neuroscience at University of St Andrews, UK, and Director of the Budongo Research Unit at Edinburgh Zoo.
James C. Kaufman is Professor of Educational Psychology at the University of Connecticut, USA. He is tire author or editor of numerous books, including lice other Cambridge handbooks.