author
Henri Poincaré
1854–1912
A brilliant French thinker who moved with ease between mathematics, physics, astronomy, and philosophy, he helped shape modern ideas about space, motion, and scientific thought. His writing combines sharp logic with a lively curiosity that still feels fresh today.
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About the author
Born in Nancy, France, in 1854, Henri Poincaré became one of the most admired scientific minds of his age. He studied at the École Polytechnique and the École des Mines, later teaching at the Sorbonne. He worked across an extraordinary range of subjects and is often remembered as a rare all-around genius in mathematics.
Poincaré made major contributions to differential equations, celestial mechanics, topology, and mathematical physics. He also wrote influential books on science and knowledge, including Science and Hypothesis, that reached readers far beyond specialist circles. His ability to connect technical discovery with big philosophical questions made him unusual even among great scientists.
He died in Paris in 1912, but his influence has lasted well beyond his lifetime. Today he is still read both for the depth of his mathematics and for the clarity and imagination of his essays on how science works.