Nature: Laboratoire Léon Brillouin (LLB)
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Léon Brillouin
Léon Nicolas Brillouin was a French physicist. He made contributions to quantum mechanics, radio wave propagation in the atmosphere, solid-state physics, and information theory.
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science · French physicist (1889–1969) · physicist · professor · also Léon Brillouin, Leon Brillouin, L. Brilli︠u︡ėn, Brillouin
Born 7 August 1889 · Died 4 October 1969 · Q364062
12 published statements · 0 followers
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2025· 1 entry
1970· 1 entry
His widow Marcelle (known as Madame Brillouin), and his daughter from his first marriage, Bella, managed his estate and gifted his archival papers and papers related to his father and grandfather to the AIP Niels Bohr Library & Archives in 1970.
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1969· 2 entries
Died 1969-10-04.
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Léon Brillouin remarried a few years later to a friend of his first wife, Marcelle van Praag (born Marcelle Esther Lioni), and were together until his death on October 4, 1969.
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1954· 1 entry
Became an adjunct professor at Columbia University
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1932· 1 entry
Became associate director of the physics laboratories at the Collège de France
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1928· 1 entry
After the Institut Henri Poincaré was established, he was appointed as professor to the Chair for Theoretical Physics
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1926· 1 entry
Gregor Wentzel, Hendrik Kramers, and Brillouin independently developed what is known as the Wentzel–Kramers–Brillouin approximation, also known as the WKB method, classical approach, and phase integral method
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1919· 1 entry
Awarded Cours Peccot (1919).
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1913· 1 entry
Went back to France to study at the University of Paris and it was in this year that Niels Bohr submitted his first paper on the Bohr model of the hydrogen atom
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1912· 1 entry
Léon Brillouin married Stéphanie "Stéfa" Prussak in 1912 in Paris, France.
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1889· 1 entry
Born 1889-08-07.
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