Joseph Louis Proust | |
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| Born | Joseph Louis Proust 26 September 1754 |
| Died | 5 July 1826 (aged 71) Angers, France |
| Occupation | Chemist |
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.[1]
- ^ Windelspecht, Michael (2003-04-30). Groundbreaking Scientific Experiments, Inventions, and Discoveries of the 19th Century. Greenwood Publishing Group. p. 22. ISBN 978-0-313-31969-3.