Joseph Proust (1754–1826)

Born 1754 CE, died 1826 CE.

Joseph Louis Proust (26 September 1754 – 5 July 1826) was a French chemist. He was best known for his discovery of the law of definite proportions in 1797, stating that chemical compounds always combine in constant proportions.

Text from the Wikipedia article Joseph_Proust, licensed CC BY-SA 4.0.

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Joseph Proust (1754–1826)

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