born Jan. 15, 1877, Johnson county, Ind., U.S.
died Dec. 21, 1956, Palo Alto, Calif.
U.S. psychologist.
After joining the faculty of Stanford University in 1910, he revised the Binet-Simon intelligence scale and published the Stanford-Binet IQ test (1916), which soon was widely adopted in the U.S. During World War I he developed group intelligence testing for the U.S. Army, and in 1921 he launched a long-term program for the study of gifted children. He wrote The Measurement of Intelligence (1916) and coauthored Genetic Studies of Genius (5 vol., 1926–59).