The Most Intelligent People Ever Lived

The IQ (Intelligence Quotient) is the general measurement of the person’s intelligence level. IQ is a score that individual achieves after solving a set of reading, vocabulary, arithmetic, abstract reasoning problems and general knowledge tests. The test results are closely connected with the parent’s genes and knowledge developed through studying. The average score of 95% of the population is between 70 and 130 but there are also extremely high results accomplished by the smartest people in the world.

Here is a list of the most intelligent people ever lived based on their IQ test results:

10. Stephen Hawking (IQ 160)

One of the most popular scientists, despite being paralyzed completely, left significant contribution in the field of general relativity. His book “A Brief History of Time”, where he explains the “Big Bang Theory” with ten million copies is one of the most selling books.


9. Albert Einstein (IQ 160-190)

The Nobel laureate, well known for his theory of relativity is one of the most influential scientists in the field of theoretical physics. He also made improvements of the gravitational fields laws and discovers the photoelectric effect law. Today “Einstein” and “Genius” means the same thing.

8. Judit Polgar (IQ 170)

Beating the best chess player of all times Garry Kasparov brings her on the top of the list of greatest female chess players. Becoming a Grandmaster chess player at the age of 15 makes her the youngest player with that achievement.

7. Garry Kasparov (IQ 194)

The famous chess player was ranked as the world’s best for 225 times and has played and won matches against IBM’s Deep Blue chess machine. The world record holder in the number of consecutive victories is also known as a political activist and writer.


6. Philip Emeagwali (IQ 190)

The Nigerian mathematician, engineer and geologist, despite leaving the school at the age of 13 he continues to learn with self-study and earns his mathematics degree. The “Bill Gates of Africa” invented the world’s fastest computer (The Connection Machine Supercomputer) using 65,000 processors which can make 3.1 billion calculations per second.

5. Christopher Michael Langan (IQ 195)

The smartest man in America with IQ between 195 and 210 began to talk at six months and was reading with just three years old. He developed the “Cognitive-Theoretic Model of the Universe” where he describes the link between mind and reality.

4. Kim Ung-Yong (IQ 210)

At three years old, he was already reading Korean, Japanese, English and German and was student in Physics at Hanyang University. He worked 10 years for NASA when he decided to return to South Korea and become a teacher.

3. Christopher Hirata (IQ 225)

In just 12 years old he completed college and in 13 won the gold medal at International Physics Olympiad becoming the youngest American wining the price. At 16 he worked for NASA and today is at the California Institute of Technology where he teaches astrophysics.


2. Terence Tao (IQ 225-230)

The Australian mathematician, son of immigrants from Hong-Kong is another child prodigy managed to receive his Doctorate at the age of 20. The youngest professor at UCLA (University of California in Los Angeles) is specialized in a wide area of mathematics fields including additive combinatorics and harmonic analysis.

1. William James Sidis (IQ 250-300)

The exceptional mathematician has entered into Harvard University with just 11 years old and mastered over 40 languages. Later he started teaching at Harvard but was threatened physically by some students because of his age, so his parents decided to transfer him to be a teacher in Texas. After, he participated in political movements and had problems with the law. He died at 46 from a brain hemorrhage.


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