Leonardo da Vinci (1452–1519) is the archetype of the Western polymath: painter, sculptor, architect, engineer, anatomist, botanist, musician, and writer — genuinely active across fields rather than merely curious about them. He is the figure from whom the phrase "Renaissance Man" arguably derives its primary meaning.
Burke places Leonardo not as an anomaly but as the most famous specimen of a type that flourished in Italian court culture. The courts of Milan, Florence, and Rome rewarded versatility: a courtier who could design weapons, paint ceilings, stage theatrical spectacles, and advise on hydraulic engineering was more valuable than one who could do only one of those things. Leonardo's breadth was, in this reading, a product of his environment as much as his nature.
What makes Leonardo the defining case is not just the range but the quality across it. Most polymaths sacrifice depth for breadth at some point; Leonardo's anatomical drawings, his sfumato technique, and his engineering notebooks all represent genuine advances in their respective domains — not merely competent surveys.
The Leonardo syndrome — Burke's term for the characteristic failure mode of ambitious polymaths — is named precisely because Leonardo embodies it so clearly. His notebooks are full of unfinished projects: the Adoration of the Magi abandoned, the Battle of Anghiari lost, the flying machine never built, the hydraulic systems never completed. The same restlessness and curiosity that drove him across domains made it structurally difficult to stay long enough in any one project to finish it. The notebooks are a record of the most productive unfinished work in Western history.