Physicist Isaac Newton died
On this day · 31 March 1727
The man who explained why apples fall and planets orbit died in London, ending an era that reshaped how humanity reads the cosmos.
On 31 March 1727, Isaac Newton died in London at the age of 84. The English mathematician and physicist had spent his final years as President of the Royal Society and Master of the Royal Mint, far from the Cambridge rooms where his most radical ideas first took shape.
Newton’s reputation rests above all on his Principia (1687), which set out three laws of motion and the law of universal gravitation — the principle that every particle of matter attracts every other, with a force that falls off as the square of the distance. The same mathematics governed a falling apple and the orbit of the Moon, uniting heaven and earth under one set of rules.
His work on light, the reflecting telescope, and the mathematical order of the universe are all carved onto his monument.
He was buried in Westminster Abbey, the first scientist honoured with a state funeral there. Newton’s framework of classical mechanics dominated physics for more than two centuries, until Einstein redrew its limits.
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