Jean-Baptiste Perrin (1870–1942)

Born 1870 CE, died 1942 CE.

Jean Baptiste Perrin (French: [ʒɑ̃ batist pɛʁɛ̃]; 30 September 1870 – 17 April 1942) was a French physicist who, in his studies of the Brownian motion of minute particles suspended in liquids (sedimentation equilibrium), verified Albert Einstein's explanation of this phenomenon and thereby confirmed the atomic nature of matter. For this work, he was awarded the Nobel Prize in Physics in 1926.

Text from the Wikipedia article Jean_Perrin, licensed CC BY-SA 4.0.

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Jean-Baptiste Perrin (1870–1942)

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