>>11578071>Feynman is noted as being a major outlier in his IQ to achievement ratio in the field of physics, and he was still nearly two S.D. above the meanIf IQ were an actual measurement of intelligence, rather than a variable that correlates with intelligence, there would be zero outliers. Anybody with Feynman's IQ or higher, which isn't exceedingly rare, would be capable of Feynman's intellectual abilities, which were exceedingly rare.
The truth is intelligence is a poorly defined unquantifiable quality. We know it when we see it, like in the case of Feynman, but any attempt to quantify it will be met with inconsistencies.
We can arbitrarily define intelligence to mean IQ test performance, but that simply trivializes intelligence. It leaves open the question "what is the difference between someone who can invent quantum electrodynamics and someone who can't?"