the physical universe?'' New York: Oxford University Press. References External links Personal page at CMU Biography 1947 births Living people 21st-century American psychologists 20th-century American psychologists Computational psychologists Carnegie Mellon University faculty American cognitive psychologists Educational psychologists Fellows of the American Academy of Arts and Sciences Fellows of the Society of Experimental Psychologists Mathematical cognition researchers Mathematics educators Members of the United States National Academy of Sciences Memory researchers Stanford University School of Humanities and Sciences alumni University of British Columbia alumni Winners of the Heineken Prize Rumelhart Prize laureates Yale University faculty Fellows of the Cognitive Science Society Canadian emigrants to the United States American educational psychologists