William James Sidis IQ=260(Reaction time)

Hey guys,welcome back to my channel. This is all about William James Sidis who had an IQ of 260 and is considered the smartest person in the world ,like he's

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Did William James Sidis really have an IQ of 250-300? - Quora

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Did William James Sidis really have an IQ of 250-300? - Quora

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William James Sidis - Wikipedia

Since William James Sidis had an IQ of over 250, which is very