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, a philosopher and cognitive scientist, is Distinguished Professor Emeritus of Philosophy at the University of Waterloo. He is the author of Brain-Mind, Natural Philosophy, The Cognitive Science of Science, Hot Thought, Mind: Introduction to Cognitive Science (the last three published by the MIT Press), and many other books. He writes a popular blog for Psychology Today and can be found at paulthagard.com.