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English chemist William Henry (1774-1836)

Mezzotint by H Cousins, 1838, after James Lonsdale (1777-1839). (Courtesy of the Wellcome Collection, London, England. Creative Commons Attribution 4.0 International License [CC BY 4.0], https://creativecommons.org/licenses/by/4.0/legalcode. Image edited by Dr. Douglas J Lanska.)

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