Léon Brillouin Scientist

Léon Nicolas Brillouin (French: [bʁilwɛ̃]; August 7, 1889 – October 4, 1969) was a French physicist. He made contributions to quantum mechanics, radio wave propagation in the atmosphere, solid state physics, and information theory.

Personal facts

Birth date	August 07, 1889
Birth place	Sèvres , Seine-et-Oise
Citizenship	United States
Date of death	October 04, 1969
Place of death	New York
Education	École Normale Supérieure Collège de France University of Paris
Known for	WKB approximation Negentropy Brillouin scattering Brillouin zone Brillouin and Langevin functions Brillouin's theorem Einstein–Brillouin–Keller method Brillouin%E2%80%93Wigner formula Brillouin doublet Brillouin flow