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  • Rights: Public domain, copyright expired Published 1 February 2010, Updated 8 August 2018 Size: 3.3 MB Referencing Hub media

    Louis Pasteur (1822-1895) was a French chemist who made several key discoveries. He proved that infectious diseases were caused by microorganisms, developed the first vaccines and invented pasteurisation.

    Painting of Pasteur by Albert Edelfelt, 1885.

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