Louis Pasteur was a French chemist and biologist. He is best known for discovering a vaccine against rabies and for developing the principle of pasteurization (a process for preserving food).

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1822: Louis Pasteur is born in France on December 27.
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1843: He is admitted to the École normale, where he studies chemistry and physics.
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1854: Appointed Professor of Chemistry and Dean of the Lille Faculty of Science.
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1874: His research on fermentation earns him recognition from the scientific community.
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1881: Pasteur's team develops a vaccine against sheep anthrax.
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1885: He discovers a vaccine against rabies, making him known worldwide.
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1888: The Pasteur Institute in Paris is inaugurated on November 14.
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1895: He died on September 28 in an annex of his institute.