James Lewis Smithson (1764–1829) by Henri-Joseph Johns, 1816 National Portrait Gallery, Smithsonian Institution
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Smithson [formerly Macie], James Lewis (1764–1829), mineralogist and benefactor, was born Jacques Louis Macie in Paris in early 1764, the illegitimate son of a long-term liaison between Hugh Percy (formerly Smithson), second earl and later first duke of Northumberland (bap. 1712, d. 1786)...