File:Portrait_of_Louis_Proust._Wellcome_L0006972.jpg · Wikimedia Commons · See Wikimedia Commons
Key facts
- Born
- Joseph Louis Proust , ( 1754-09-26 ) 26 September 1754, Angers , France
- Died
- 5 July 1826 (1826-07-05) (aged 71), Angers, France
- Occupation
- Chemist
via Wikipedia infobox
Wikidata facts
- Instance of
- human
- Gender
- male
- Citizenship
- France
- Place of birth
- Angers
- Place of death
- Angers
- Occupation
- balloonist
- Position held
- editor
- Employer
- University of Salamanca
- Languages spoken
- French
- Student of
- Hilaire Rouelle
- Image
- Joseph Louis Proust.jpeg
- Number of children
- 0
Show 7 more facts
- Commons category
- Joseph Proust
- date of death
- 1826-07-05
- date of birth
- 1754-09-26
- name in native language
- Joseph Louis Proust
- P8168
- Liskovets'
- Commons Creator page
- Joseph Proust
- significant person
- Jean-François Pilatre de Rozier
via Wikidata · CC0
~7 min read
Encyclopedic overview
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.
Life
Excerpted from Wikipedia’s “Joseph Proust” article, available under the CC BY-SA 4.0 licence.