Ph.D from Stanford in 1930.
Most of his career was at the University of Wisconsin in Madison. His animal laboratory (rats) was not built yet and he turned to the local zoo for research where he became acquainted with their monkeys.
(note the role of chance in his work!)
as learning to learn
He noted the importance of a "critical period" of development when basic aspects of personality were established or disrupted.
practical and ethical benefits of treating research NHPs in as natural a setting as possible.
including curiosity, self-confidence
A copy of his famous "Mother Love" paper, 1958 is available online.
Harlow, Harry F. (1958). The nature of love. American Psychologist, 13, 573-685.