John H. Holland is Professor of Psychology and Professor of Computer Science and Engineering at the University of Michigan; he is also Trustee and External Professor at the Santa Fe Institute. He is the author of Hidden Order: How Adaptation Builds Complexity and other books.

Keith J. Holyoak, Distinguished Professor of Psychology at the University of California, Los Angeles, is a psychologist and poet. He is the coauthor or editor of a number of books on cognitive psychology and has published three volumes of poetry.

Paul Thagard is Professor of Philosophy at the University of Waterloo, Ontario. He is the author of The Cognitive Science of Science (MIT Press, 2012) and many other books.