James L. McClelland is Professor of Psychology and Director of the Center for Mind, Brain, and Computation at Stanford University. He is the coauthor of Parallel Distributed Processing (1986) and Semantic Cognition (2004), both published by the MIT Press. With David E. Rumelhart, he was awarded the 2002 University of Louisville Grawemeyer Award for Psychology for his work in the field of cognitive neuroscience on a cognitive framework called parallel distributed processing and the concept of connectionism.

David E. Rumelhart (1942-2011) served as Professor of Psychology at the University of California, San Diego and Stanford University. With James McClelland, he was awarded the 2002 University of Louisville Grawemeyer Award for Psychology for his work in the field of cognitive neuroscience on a cognitive framework called parallel distributed processing and the concept of connectionism.

Jerome A. Feldman is Professor of Electrical Engineering and Computer Science and former Director of the Cognitive Science Program at the University of California, Berkeley, and a Research Scientist at the International Computer Science Institute.

Patrick J. Hayes is a Senior Research Scientist at IHMC.