Nicholas Christenfeld is a professor of Psychology at the University of California, San Diego. He first joined the department in 1991 and has been a full professor since 2003.
Among other research, he has promulgated the Theory of Deadly Initials and the theory that infants resemble their fathers more closely than they do their mothers.[1] More recently, he studied the tendency of people to choose purebred dogs which resembled them.[2]