caption doctoral_advisor death_date death_place birth_place citizenship influences image_size footnotes field work_institutions birth_date known_for residence image article_title name alma_mater
léon nicolas brillouin -lrb- 1889 -- 1969 -rrb- paul langevin october 4 , 1969 -lrb- aged 80 -rrb- new york , usa sèvres , seine-et-oise , france french -lrb- pre-1949 -rrb- american -lrb- post-1949 -rrb- henri poincaré h. a. lorentz albert einstein 150px he . was the son of the physicist marcel brillouin physics sorbonne collège de france École supérieure d'Électricité august 7 , 1889 brillouin -- keller method wkb approximation negentropy brillouin -- wigner formula scattering brillouin zone brillouin function einstein -- brillouin france usa léon brillouin solvay conference 1927.jpg léon brillouin
 léon brillouin École normale supérieure sorbonne collège de france
léon brillouin

léon nicolas brillouin -lrb- ; august 7 , 1889 -- october 4 , 1969 -rrb- was a french physicist .
he made contributions to quantum mechanics , radio wave propagation in the atmosphere , solid state physics , and information theory .
