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About Joseph Proust
Joseph Louis Proust 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.
Everything about Joseph Proust →- Occupation
- chemist, pharmacist, balloonist
- Position held
- editor
- Citizenship
- France
- Born
- September 26, 1754
- Died
- July 5, 1826