Highest IQ level has been achieved by a few people in the human history

Highest IQ score is very difficult but not impossible. Despite all exercises and trainings the genetics can play an important role.

Will We Continue to Get Smarter? The Flynn Effect Says Yes

What Was Albert Einstein's IQ?

Here Is The Highest Possible IQ And The People Who Hold The World

13 Most Intelligent People In The History Of The World

12 People With The Highest IQ Ever Recorded

What is the highest IQ ever recorded in human history? By whom was

Here's the IQ score Warren Buffett says is all you need to succeed

The unwelcome revival of 'race science', Race

The 40 Smartest People of All Time

24 of the smartest people who ever lived - Big Think

Here Is The Highest Possible IQ And The People Who Hold The World

Who has the highest recorded IQ of all time? - Quora

Intelligence quotient - Wikipedia

IQ in Europe and Lowest IQ Countries in the World