9 Smartest People in History Who Changed the World

1 Judit Polgar

After men dominated the world of chess for centuries, Judit Polgar completely transformed the competitive landscape. Born in Hungary in 1976, she quickly rose to become the strongest female chess grandmaster in history, earning her grandmaster title at just 15 years of age and defeating world champions such as Garry Kasparov and Boris Spassky. You can read more about inspiring women who changed history in our featured collection.

2 Sir Andre John Wiles

Sir Andrew John Wiles was only 10 years old when he was already deeply immersed in advanced mathematics, driven by a fascination with Fermat's Last Theorem, one of the most complex and long-standing problems in mathematical history. Decades later, through years of painstaking research, he published a groundbreaking proof that earned him international acclaim, including recognition from the Clay Mathematics Institute.

3 Emilie Chatelet

Celebrated as one of the smartest women in history, Émilie du Châtelet made monumental strides in physics and mathematics during the early 1700s. She is famous for translating and commenting on Isaac Newton's work, ultimately synthesizing early principles of energy conservation. With an estimated IQ exceeding 190, Châtelet mastered René Descartes' analytic geometry by age 16 and went on to build her own private research laboratory.

4 Terence Tao

Widely regarded as one of the most brilliant minds of our era, Australian mathematician Terence Tao boasts an estimated IQ of 230, one of the highest in recorded history. Like fellow mathematical genius Andrew Wiles, Tao showed incredible numerical aptitude from early childhood. He became the youngest full professor at the UCLA Department of Mathematics and has earned numerous prestigious awards, including the Fields Medal, for his work across harmonic analysis and number theory.

5 Leonardo Da Vinci

Leonardo da Vinci remains one of the most remarkably intelligent individuals in history. Centuries ahead of his era, this true Renaissance polymath made landmark discoveries in human anatomy, physics, and mechanical engineering while simultaneously producing immortal artworks. For more fascinating insights, check out our guide to mind-blowing history facts.

Key disciplines revolutionized by Da Vinci include:

6 Marie Curie

Public consensus firmly establishes Marie Curie among the smartest historical figures of all time. She earned historic Nobel Prizes in both Physics and Chemistry for her pioneering research on radiation phenomena and her discovery of radium and polonium. Learn more about her scientific legacy at the Nobel Prize Organization, or discover other pioneering female scientists who changed the world.

7 Stephen Hawking

Stephen Hawking is among the most inspiring theoretical physicists of modern history, continuing his groundbreaking research despite living with motor neuron disease for decades. Much like Albert Einstein, Hawking transformed our understanding of the universe through his work in cosmology, black hole radiation, and quantum mechanics. Explore his official research archives on the Official Stephen Hawking Website.

8 Nikola Tesla

Requiring little introduction, Nikola Tesla stands as one of the most prolific inventors and intelligent minds in recorded history. His remarkable capacity for complex mental visualization enabled him to develop over 700 patents. Tesla's pioneering inventions in alternating current (AC) electricity and wireless technology remain essential cornerstones of modern life today.

9 Albert Einstein

A visionary scientist unlike any other, Albert Einstein advanced human knowledge further than perhaps any thinker before him. His Special and General Theories of Relativity revolutionized modern physics, earning him worldwide fame and cementing his reputation as one of the most intelligent humans in history. His insights laid the foundation for modern cosmology, influencing later minds like Stephen Hawking.

Which famous scientist, researcher, or brilliant thinker from history would you add to this list? Share your thoughts in the comments below, and let us know which of these remarkable minds inspires you the most!