Joseph Achille Le Bel, Date of Birth, Place of Birth, Date of Death
TweetJoseph Achille Le Bel
French chemist
Date of Birth: 
Place of Birth: Merkwiller-Pechelbronn, Grand Est, France
About Joseph Achille Le Bel
- Joseph Achille Le Bel (21 January 1847 in Pechelbronn – 6 August 1930, in Paris, France) was a French chemist.
- He is best known for his work in stereochemistry.
- Le Bel was educated at the École Polytechnique in Paris.
- In 1874 he announced his theory outlining the relationship between molecular structure and optical activity.
- This discovery laid the foundation of the science of stereochemistry, which deals with the spatial arrangement of atoms in molecules.
- This hypothesis was put forward in the same year by the Dutch physical chemist Jacobus Henricus van 't Hoff and is currently known as Le Bel-van't Hoff rule.
- Le Bel wrote Cosmologie Rationelle (Rational Cosmology) in 1929.
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