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Jean Baptiste Perrin ForMemRS [1] (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.
Biographical. Jean Baptiste Perrin was born in Lille, September 30, 1870, where he was educated at the École Normal Supérieure, becoming an assistant in physics during 1894-1897, when he began his researches on cathode rays and X-rays.
Jean Baptiste Perrin. The Nobel Prize in Physics 1926. Born: 30 September 1870, Lille, France. Died: 17 April 1942, New York, NY, USA. Affiliation at the time of the award: Sorbonne University, Paris, France. Prize motivation: “for his work on the discontinuous structure of matter, and especially for his discovery of sedimentation equilibrium”
Feb 16, 2004 · The term “Avogadro’s number” was first used by French physicist Jean Baptiste Perrin. In 1909 Perrin reported an estimate of Avogadro’s number based on his work on Brownian motion—the random...
Jean Perrin was a French physicist who, in his studies of the Brownian motion of minute particles suspended in liquids, verified Albert Einstein’s explanation of this phenomenon and thereby confirmed the atomic nature of matter. For this achievement he was honoured with the Nobel Prize for Physics.
- The Editors of Encyclopaedia Britannica
May 18, 2018 · French physicist Jean Baptiste Perrin (1870-1942) helped to prove that atoms and molecules exist, an achievement that earned him the 1926 Nobel Prize in physics. Jean Baptiste Perrin was born in Lille, France, on September 30, 1870, and raised, along with two sisters, by his widowed mother.
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The Nobel Prize in Physics 1926 was awarded to Jean Baptiste Perrin "for his work on the discontinuous structure of matter, and especially for his discovery of sedimentation equilibrium"