CATTELL, JAMES McKEEN ), American psychologist and editor, was born at Easton, Pa., on May 25, 1860. He graduated at Lafayette college in 188o, and took his degree at Leipzig in 1886. After having been lecturer at the Uni versity of Pennsylvania, Bryn Mawr college and the University of Cambridge, he was from 1888 to 1891 professor of psychology at the University of Pennsylvania, this having been the first pro fessorship of psychology in any university.
From 1891 to 1917 he was professor at Columbia university, and later president of the psychological corporation. He was editor of the Psychological Review from 1895 to 1905, and was editor from 1894 of Science, from 1900 of the Popular Science Monthly and the Scientific Monthly, from 1907 of the American Naturalist and from 1915 of School and Society. He wrote re search works on psychological measurements, individual differ ences, applications of psychology, and was the author of many publications on psychology, scientific organization and education. He was president of the first American International Congress of Psychology.