Harry F. Harlow was born in Fairview, Iowa, on October 31, 1905, and died on December 6, 1981. He attended Reed College in 1923 before transferring to Stanford, where he received his Ph.D. in 1930 under the supervision of C. P. Stone. Harlow's first appointment was at the University of Wisconsin, where he later established the Wisconsin Primate Laboratory. Except for the period from1949 to 195l, when he was chief psychologist for the U.S. Army, he remained at Wisconsin until his formal retirement in 1974, when he moved to the University of Arizona. Harlow's research, characterized by imaginative methods of studying cognition and motivation, led to important discoveries. He was elected president of the American Psychological Association and received its Distinguished Scientific Contribution Award. He also received awards from the Society for Research in Child Development and was recipient of the Kittay International Scientific Foundation Award, the Gold Medal...