Known for his works on legal, moral, and psychological philosophy, this scholar, philosopher, and author of An Intellectual History of Psychology taught at Georgetown, Oxford, Princeton, and Columbia.
His earliest published books include The Enlightened Machine: An Analytical Introduction to Neuropsychology and Psychology and Law.
He was the 2011 recipient of the American Psychological Association's prestigious Gittler Award.
After graduating from Colgate University, he earned a Ph.D. in Neuropsychology from the City University of New York.
He and fellow philosopher Henry Veatch both taught at Georgetown University and published works on Aristotle.