When1: 1915
When2: 1940
Who: Arnold Lucius Gesell [Gesell, Arnold Lucius]
What: psychologist
Where: USA
works\ Embryology of Behavior [1915]; Infancy and Human Growth [1928]; Atlas of Infant Behavior [1934]; First Five Years of Life [1940]
Detail: He lived 1880 to 1961 and studied child development using movie cameras [1926].
Social Sciences>Psychology>History>Behavior
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Date Modified: 2022.0224