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Events on Monday 21 September 1874 1
1798 – 1874Jean-Baptiste Elie de Beaumont (1798-1874)Died 21 September 1874, aged 75Elie de Beaumont was a French geologist known for his theories on mountain formation and his geological mapping of France. He served as a professor at the College de France and permanent secretary of the French Academy of Sciences. His mountain-building theories, though later superseded, were influential in nineteenth-century geology.