10 Minds Who Mastered Multiple Fields
Painter-anatomists, poet-scientists, philosopher-physicians: the greatest polymaths who refused to choose.
Specialisation is a modern invention. For most of history, the greatest minds treated knowledge as one country and wandered it freely. These ten wandered furthest — each reaching the first rank in at least two entirely different fields.
1. Leonardo da Vinci
Painter of the world's most famous portrait; anatomist whose heart studies impress cardiac surgeons; engineer, cartographer, student of water and flight. The measure of his range is that his 7,000 notebook pages would secure his reputation even if every painting were lost.
2. Benjamin Franklin
Printer, satirist, founder of libraries and universities; the scientist who tamed lightning with a kite and a rod; the diplomat who charmed France into bankrolling American independence. He also invented bifocals in his seventies and mapped the Gulf Stream on his Atlantic crossings.
3. Johann Wolfgang von Goethe
Germany's supreme poet spent decades on optics and botany, and considered his theory of colours his most important work. He was also a practising minister of state in Weimar — running roads, mines and the treasury between acts of Faust.
4. Avicenna (Ibn Sina)
His Canon of Medicine remained a standard European medical textbook for some six hundred years — while his metaphysics shaped philosophy in two civilisations. He wrote roughly 450 works, allegedly composing while riding between royal patients.
5. Al-Biruni
The eleventh-century Central Asian master of astronomy, mathematics, geography, pharmacology and comparative religion measured the Earth's radius to within about 1% of the modern value, using a mountain in present-day Pakistan and trigonometry of his own devising. He catalogued India's sciences and customs in a work still cited by historians.
6. Hildegard of Bingen
Twelfth-century abbess, composer whose works are still recorded and performed nine centuries on, medical writer, natural historian, and inventor of a private constructed language — the Lingua Ignota. All while running monasteries and conducting public preaching tours.
7. Gottfried Wilhelm Leibniz
Co-inventor of calculus (independently of Isaac Newton, and it is his notation we use), builder of calculating machines, pioneer of binary arithmetic — the language of every computer — plus jurist, historian, diplomat and philosopher of optimism.
8. Mikhail Lomonosov
Fisherman's son who walked to Moscow at nineteen and became Russia's founding scientist-poet: discoverer of Venus's atmosphere, reformer of the Russian literary language, mosaicist, and founder of Moscow's university — which now bears his name.
9. Omar Khayyam
To the West, the poet of the Rubaiyat; to the history of science, the mathematician who solved cubic equations geometrically and helped reform the Persian calendar to an accuracy rivalling the modern Gregorian one.
10. Thomas Young
The nineteenth-century physician who proved light is a wave, explained how the eye focuses, proposed the three-colour theory of vision, defined the elasticity modulus that bears his name — and made key early steps toward deciphering Egyptian hieroglyphs. His biographer called him "the last man who knew everything", and we tell his story in full separately.
<iframe width="560" height="315" src="https://www.youtube.com/embed/0JnLnXE5vqM" title="5 Hidden Things About Leonardo Da Vinci To Blow Your Mind" frameborder="0" allowfullscreen loading="lazy"></iframe>"Study the science of art. Study the art of science. Develop your senses — especially learn how to see. Realize that everything connects to everything else."
— Leonardo da Vinci
Watch: 5 Hidden Things About Leonardo Da Vinci To Blow Your Mind
Why the species went extinct
The last credible "know-everything" candidates died in the nineteenth century, and the reason is arithmetic, not ability: human knowledge now doubles faster than any human can read. Today's polymaths bridge two or three fields, not ten. The lesson of this list is that the bridges are where the breakthroughs happen — every mind here made discoveries precisely because they carried tools from one field into another.
Frequently Asked Questions
What is a polymath?
A person who reaches expert level in several unrelated fields — the article ranks ten who reached the first rank in at least two.
Who is considered the greatest polymath ever?
Leonardo da Vinci, whose notebooks alone — spanning anatomy, engineering, optics and hydraulics — would secure his place even without his paintings.
Why are there no universal polymaths today?
Knowledge now grows faster than any individual can absorb; the last credible claimants to the whole research frontier, like Thomas Young, died in the nineteenth century.