James McKeen Cattell (May 25, 1860-January 20, 1944), American psychologist, was the first professor of psychology in the United States at the University of Pennsylvania. At the beginning of his career, many scientists regarded psychology at best a minor field of study, or at worst a pseudoscience such as phrenology. Perhaps more than any of his contemporaries, Cattell helped establish psychology as a legitimate science, worthy of study at the highest levels of the academy. Wikipedia
The definitive Wikipedia entry for James McKeen Cattell. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/James_McKeen_Cattell
