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  1. Jean Baptiste Perrin. 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.

  2. 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. He received the degree of “docteur ès sciences” in 1897 for a thesis on cathode and Röntgen rays and was appointed ...

  3. Feb 16, 2004 · Learn how French physicist Jean Baptiste Perrin used Brownian motion to estimate Avogadro's number, the number of particles in a mole, in 1909. Find out how this constant is measured and why it is important for chemistry and physics.

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  5. May 18, 2018 · Learn about the French physicist who helped to prove the existence of atoms and molecules using Brownian motion. Find out his biography, achievements, and Nobel Prize in physics.

  6. 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”.

  7. Jean Baptiste Perrin Nobel Lecture . Nobel Lecture, December 11, 1926. Discontinuous Structure of Matter. Since I have the great honour to have to summarize here the work which has enabled me to receive the high international distinction awarded by the Swedish Academy of Sciences, I shall speak of the “discontinuous structure of matter”.

  8. Jean Baptiste 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 in Physics in 1926.

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