Per·rin, Jean Baptiste
/ˈperən/
- 1. (1870–1942), French physical chemist. He provided the definitive proof of the existence of atoms, proved that cathode rays are negatively charged, and investigated Brownian motion. Nobel Prize for Physics (1926).
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Jean-Baptiste Say was a liberal French economist and businessman who argued in favor of competition, free trade and lifting restraints on bu... Wikipedia
- January 5, 1767, Lyon, France
- November 15, 1832, Paris, France
- Horace Émile Say, Octavie Say
- Françoise Castanet
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