Robert J. Sternberg (born December 8, 1949) is an American psychologist and psychometrician. He is a professor of Human Development at Cornell University. Sternberg received his BA from Yale University and a PhD from Stanford University under advisor Gordon Bower. He is a distinguished associate of the Psychometrics Centre at the University of Cambridge. Among his major contributions to psychology, the most notable are the triarchic theory of intelligence and several influential theories related to creativity, wisdom, thinking styles, love, hate, and leadership.
https://en.wikipedia.org/wiki/Robert_Sternberg