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What Is Galileo's IQ?

By Samantha Davis
Psychology Writer
Published on July 28, 2024 | Updated on August 22, 2024

Image by National Gallery of Art, Washington DC, used under Public Domain / Incorporated into an illustration

Galileo Had a 175 IQ

Galileo Galilei is famous for his big contributions to physics, astronomy, and the scientific method. Born in Pisa, Italy, in 1564, Galileo's work laid the groundwork for modern science. His discoveries, like the moons of Jupiter and the phases of Venus, changed how we see the universe. With an estimated IQ of 175, Galileo's impact on science is huge.

Galileo made many important discoveries that still matter today. He found that moons orbit around Jupiter, which helped prove that the sun, not Earth, is the center of the solar system. However, a manuscript at the University of Michigan, thought to be written by Galileo, was found to be a fake by a 20th-century forger named Tobia Nicotra. Historian Nick Wilding spotted the forgery by noticing odd handwriting and word choices.

Galileo's telescopic discoveries changed astronomy forever. In 1609, he made telescopes that showed mountains on the Moon and the phases of Venus. These findings supported the idea that the planets orbit the sun, not Earth. His book, "The Starry Messenger" shared these discoveries and surprised the scientific community.

Galileo is often called the founder of modern physics. He spent his life figuring out the laws of motion and came up with the law of inertia. His work laid the groundwork for later scientists like Isaac Newton and helped us understand how objects move.

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During Galileo's time, the Church believed in Ptolemy's model, which said Earth was the center of the universe. Galileo's support of Copernicus' sun-centered model was controversial. This belief led to his famous trial and house arrest by the Inquisition.

Interestingly, Galileo also practiced astrology. He conducted astrological readings for wealthy clients and taught it to medical students, showing that even great scientists of the time engaged in practices we might not find scientific today.

Galileo’s later life was marked by conflict with the Church. His book, "Dialogue Concerning the Two Chief World Systems" led to his trial for heresy. He was forced to recant his support for the sun-centered model and spent the rest of his life under house arrest. Despite this, he continued his work on mechanics and motion, publishing "Two New Sciences" in 1638.

Galileo's contributions to science and his fearless pursuit of truth have made him a symbol of scientific inquiry and courage. His work continues to inspire and inform modern science, showing the enduring power of curiosity and innovation.

Galileo's IQ
175
profile picture of Galileo Galilei
How Did We Determine Galileo Galilei's IQ?
High Confidence

Average Confidence Level

High

We used reports by Genetic Studies of Genius, Business Insider and Big Think to calculate the average IQ score of Galileo Galilei. The other source is provided for comparison purposes. We calculated some source scores using the midpoint of the given ranges.

Genetic Studies of Genius
145 IQ High Confidence Confidence Level: High
Business Insider
190 IQ High Confidence Confidence Level: High
Big Think
190 IQ High Confidence Confidence Level: High
Parade
190 IQ Medium Confidence Confidence Level: Medium

5 Reasons Why Galileo Galilei Is Considered a Genius

  • Telescopic Discoveries: Galileo improved the telescope, leading to discoveries such as the four largest moons of Jupiter, phases of Venus, and detailed observations of the moon's surface.
  • Father of Modern Physics: His experiments on the motion of objects laid the groundwork for classical mechanics. Galileo challenged Aristotelian physics and substantially advanced the scientific method.
  • Heliocentrism Advocate: Galileo's observations supported Copernicus' heliocentric theory. They confronted established geocentric views and led to significant shifts in our understanding of the solar system. Interestingly, he stood before the Roman Inquisition for his work on this theory. He was sentenced to life in prison and while he avoided this fate, Galileo spent the last years of his life on house arrest.
  • Scientific Method Innovator: He was pivotal in developing and advocating for the scientific method, emphasizing experimentation and mathematical analysis to understand natural phenomena.
  • Laws of Motion Pioneer: Galileo's work on the laws of motion, including the principle of inertia and experiments with inclined planes, were foundational to Isaac Newton's later work.
Image by Wellcome Images, used under Public Domain / Incorporated into an illustration
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Where Does Galileo IQ Score Stand?

Galileo, with an astounding IQ of 175, belonged to a very rare intellectual group, achieved by only 1 in over 3 million people. This incredible score far exceeds the entry requirements for the most elite high-IQ societies in the world. Mensa, known globally, requires a score of 130 on tests with a standard deviation of 15, which Galileo easily surpassed. He also met and exceeded the standards for Intertel and the Triple Nine Society, which cater to the top 1% and 0.1% of the population. While his exceptional mind would have made him a perfect fit for the ultra-exclusive Epimetheus Society, requiring an IQ in the top 0.003%, Galileo had more pressing matters. He was busy revolutionizing our understanding of the cosmos, inventing the telescope, and challenging the very foundations of science!

Image by National Gallery of Art, Washington DC, used under Public Domain / Incorporated into an illustration

Galileo vs. Other Scientists: Here's How They Compare

Galileo, with an IQ of 175, is a major figure in science. He changed how we see the universe. However, his intellect is slightly overshadowed by modern geniuses like Terence Tao. Tao's IQ of 227 shows his amazing talent in mathematics, leading to important discoveries in many areas.

Meanwhile, Kim Ung-Yong impresses with an IQ of 210, highlighting his early skills in languages and physics.

The physicist J. Robert Oppenheimer with his 145 IQ, played a key role in creating the atomic bomb. His work showed a deep understanding of science.

Similarly, Edward Witten's IQ of 191 changed theoretical physics, especially with his work on string theory.

Lastly, Gottfried Leibniz, with an IQ of 190, had a big impact on mathematics, logic, and philosophy.

Each of these brilliant minds made unique contributions to their field, pushing the limits of human knowledge.

Illustration composed of multiple sources: images by Wellcome Images under CC BY 4.0, MasterClass on YouTube under YouTube, unknown author under CC BY-SA 4.0, Charles Thorpe and Steven Shapin under Public Domain, CliffMoore under Public Domain, Digitalisierungszentrum der Niedersächsischen Staats- under CC BY 4.0 / Incorporated into an illustration

Did you think Galileo's 175 IQ was inflated? Let us know in the comments box section below!

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