• Born date: 1788-05-10
  • Born in: Broglie, Eure
  • Death date: 1827-07-14
  • Death in: Ville-d'Avray
Augustin-Jean Fresnel

Augustin-Jean Fresnel (/freɪˈnɛl/ fray-NEL; French: [ɔ.ɡy.stɛ̃ ʒɑ̃ fʁɛ.nɛl]; 1788–1827), was a French engineer and physicist who contributed significantly to the establishment of the theory of wave optics. Fresnel studied the behaviour of light both theoretically and experimentally.He is perhaps best known as the inventor of the Fresnel lens, first adopted in lighthouses while he was a French commissioner of lighthouses, and found in many applications today.

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