The Greatest American Geniuses in History

Edison, Tesla (American by adoption), Einstein (also American by adoption), Feynman, von Neumann — the minds who built modern America.

60 Geniuses

America's biggest export over the last 150 years has been ideas. From Edison's light bulb to Feynman's diagrams, American (and American-adopted) minds have defined modern industry, computing, and physics.

This list ranks the geniuses born in or naturalized to the United States, organized by IQ and lasting influence.

Frequently Asked Questions

Who is the greatest American genius?

Albert Einstein (naturalized 1940), Thomas Edison, and Benjamin Franklin are the three most-cited answers. Einstein is the highest IQ; Edison the most patents; Franklin the most polymathic.

Was Albert Einstein American?

Einstein became a US citizen in 1940. He had moved from Germany in 1933 and joined the Institute for Advanced Study in Princeton.

Who is the highest-IQ American living today?

Terence Tao, Australian-born but a long-time UCLA professor, is widely cited at IQ 230. American-born Christopher Hirata is estimated at 225.

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Top IQ Rankings

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Child prodigies

Kim Ung-yongKim Ung-yongTested IQ 210 — Guinness Record Holder, NASA Engineer at 8, PhD…Shakuntala DeviShakuntala DeviMultiplied two 13-digit numbers in her head in 28 secondsStephen WiltshireStephen WiltshireAutistic Savant Drawing Entire Cities from Memory — MBE from…Michael KearneyMichael KearneyBachelor's at 10 Years, 4 Months — Youngest U.S. College…
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