Carr (April 30, 1873 – June 21, 1954), a founding father of functionalist psychology, was renowned for a methodical and thorough approach to his science.
His work was largely devoted to studies of animal cognition and perception.
Carr collaborated with John B.
Watson on his most well-known project: the famous Kerplunk experiment.
Carr held his post as chairman of the Psychology department at the University of Chicago from 1926-1938.
He also served as the president of the American Psychological Association in 1926.