Intelligence, cognitive style, and psychological comparison
President of the United States
Prime Minister
High emotional stability despite chronic depression. Extraordinary verbal intelligence and ability to synthesize opposing views.
High Verbal IQ and resilience to depression ("The Black Dog"). Thrived in chaos.
Historical IQ estimates are approximations based on documented achievements, contemporary accounts, and cognitive analysis. They should be viewed as educated estimates rather than definitive measurements. Both Abraham Lincoln and Winston Churchill achieved remarkable things in their respective domains, and raw IQ alone doesn't capture the full picture of their intelligence and impact.
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