The average IQ is 100, and an IQ of 140 is considered genius. Albert Einstein likely never took an IQ test but is estimated to have a 160 IQ — but even that can’t stand up to these masterminds.

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Evangelos Katsioulis: IQ 198

With a score of 198, Evangelos Katsioulis, MD, MSc, MA, PhD, has the highest tested IQ in the world, according to the World Genius Directory. The Greek psychiatrist also has degrees in philosophy and medical research technology.
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Author: Marissa Laliberte
Date: 2018/01/31
Reference: RD.com (Readers Digest)