Léon Brillouin

Léon Brillouin
Léon Nicolas Brillouin (1889–1969)
BornAugust 7, 1889
DiedOctober 4, 1969 (aged 80)
New York City, US
CitizenshipFrench (pre-1949)
American (post-1949)
Alma materÉcole Normale Supérieure
Sorbonne
Collège de France
Known forBrillouin function
Brillouin limit
Brillouin paradox
Brillouin scattering
Brillouin zone
Brillouin theorem
Brillouin doublet
Brillouin flow
Brillouin–Wigner formula
Einstein–Brillouin–Keller method
WKB approximation
Acoustoelastic effect
Negentropy
FatherMarcel Brillouin
AwardsNational Academy of Sciences Membership (1953)
Peccot Lectures (1919-1920)
ICM Speaker (1920)
Scientific career
FieldsPhysics
InstitutionsSorbonne
Collège de France
École Supérieure d'Électricité
University of Wisconsin–Madison
Brown University
Harvard
IBM
Columbia University
ThesisLa théorie des solides et les quanta (1921)
Doctoral advisorPaul Langevin
Doctoral studentsNicolas Cabrera, Ivar Stakgold
Notes
He was the son of the physicist Marcel Brillouin.

Léon Nicolas Brillouin (French: [leɔ̃ nikɔla bʁijwɛ̃]; 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.