Origins-in time and place -- I think I was always grown up -- The Wesleyan years and intellectual independence -- At Harvard, 1895-1897 -- Five hundred bones and a jail bird: the Columbia year -- The thesis: a classic in psychology -- Becoming a teacher of psychology and pedagogy -- The setting for a successful story: teachers college -- Ned needs a wife -- The ascent of a fledgling professor -- Writing the early books -- Monkeys and Latinists: The higher animals and the higher learning -- All that exists can be measured -- Individualism, heredity, and determinism -- Learning- in three volumes -- A common-sense patriot in wartime -- Practical psychology: tests, textbooks, and teaching methods -- Throndike as a behaviorist -- The professional man -- The institute-more time for research -- The best and the worst of life, 1925-1935 -- Sabron: a theory of learning, reconsidered and reaffirmed -- Psychology and social engineering -- Whatever happened to educational science -- I am a tired, old man