In a typical approach, historiometric investigators like Simonton review large bodies of data to determine the decade of life in which creative indiv… - Howard Gardner

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In a typical approach, historiometric investigators like Simonton review large bodies of data to determine the decade of life in which creative individuals are most productive. Such studies have led to the findings that maximal productivity typically occurs between ages thrity-five and thirty-nine, but that profiles differ appreciably across disparate domains of knowledge: thus, poets and mathematicians reach an apogee in their twenties or thirties, while historians or philosophers may peak decades later.