Léon N Brillouin: Difference between revisions
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{{Infobox scientist | {{Infobox scientist | ||
| name = | | name = Léon N. Brillouin | ||
| image = | | image = Léon N Brillouin 458.jpg | ||
| alt = | | alt = Léon N. Brillouin | ||
| birth_date = {{birth date|1889|08|07|mf=y}} | | birth_date = {{birth date|1889|08|07|mf=y}} | ||
| death_date = {{death date and age|1969|10|1|1889|8|7}} | | death_date = {{death date and age|1969|10|1|1889|8|7}} | ||
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''' | '''Léon Nicolas Brillouin''' was a [http://en.wikipedia.org/wiki/France French] physicist. He was born in [http://en.wikipedia.org/wiki/S%C3%A8vres S?vres] (near [http://en.wikipedia.org/wiki/Paris Paris]), [http://en.wikipedia.org/wiki/France France]. His father, [http://en.wikipedia.org/wiki/Marcel_Brillouin Marcel Brillouin], was a physicist as well. He made contributions to [http://en.wikipedia.org/wiki/Quantum_mechanics quantum mechanics], radio wave propagation in the atmosphere, solid state physics, and [http://en.wikipedia.org/wiki/Information_theory information theory]. | ||
Brillouin was a founder of modern [http://en.wikipedia.org/wiki/Solid_state_physics solid state physics] for which he discovered, among other things, [http://en.wikipedia.org/wiki/Brillouin_zone Brillouin zones]. He applied [http://en.wikipedia.org/wiki/Information_theory information theory] to physics and the design of computers and coined the concept of [http://en.wikipedia.org/wiki/Negentropy Negentropy] to demonstrate the similarity between entropy and information. Brillouin offered a solution to the problem of [http://en.wikipedia.org/wiki/Maxwell%27s_demon Maxwell | Brillouin was a founder of modern [http://en.wikipedia.org/wiki/Solid_state_physics solid state physics] for which he discovered, among other things, [http://en.wikipedia.org/wiki/Brillouin_zone Brillouin zones]. He applied [http://en.wikipedia.org/wiki/Information_theory information theory] to physics and the design of computers and coined the concept of [http://en.wikipedia.org/wiki/Negentropy Negentropy] to demonstrate the similarity between entropy and information. Brillouin offered a solution to the problem of [http://en.wikipedia.org/wiki/Maxwell%27s_demon Maxwell's demon]. In his book, ''Relativity Reexamined'', he called for a "painful and complete re-appraisal" of [http://en.wikipedia.org/wiki/Relativity_theory relativity theory] which "is now absolutely necessary." - <em>Wikipedia</em> | ||
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French-American physicist and son of [http://scienceworld.wolfram.com/biography/BrillouinMarcel.html Marcel Brillouin] (1854-1948) and Charlotte Mascart, who was herself the daughter of E. Mascart (1837-1908), a well-known French physicist of the 19th century. | French-American physicist and son of [http://scienceworld.wolfram.com/biography/BrillouinMarcel.html Marcel Brillouin] (1854-1948) and Charlotte Mascart, who was herself the daughter of E. Mascart (1837-1908), a well-known French physicist of the 19th century. Léon Brillouin was educated at the ?cole Normale Supérieure (1908-1912), as was his father before him. He was professor at the Sorbonne (1928), and subsequently professor at the College de France (1932-1949), again following his father's footsteps. | ||
During the war, | During the war, Léon Brillouin emigrated to the United States, where he became a professor at the University of Wisconsin (1941) and Harvard (1946). He became an American citizen in 1949, was appointed director of Electronic Education at IBM (1948-53), and was elected a member of the National Academy of Sciences in 1953. From 1953 to his death in 1969, he was a professor at Columbia University in New York City. | ||
Léon Brillouin specialized in [http://scienceworld.wolfram.com/physics/QuantumMechanics.html quantum mechanics], <img height="12" alt="Eric Weisstein's World of Physics" width="12" src="http://scienceworld.wolfram.com/images/crossrefs/physics.gif" /> and developed the BWK method of approximating solutions to the [http://scienceworld.wolfram.com/physics/SchroedingerEquation.html Schrödinger equation] <img height="12" alt="Eric Weisstein's World of Physics" width="12" src="http://scienceworld.wolfram.com/images/crossrefs/physics.gif" /> in 1926. He discovered the famous "[http://scienceworld.wolfram.com/physics/BrillouinZone.html Brillouin zones] <img height="12" alt="Eric Weisstein's World of Physics" width="12" src="http://scienceworld.wolfram.com/images/crossrefs/physics.gif" />" of solid state physics, which are named in his honor. During his career, he authored more than 200 papers (his biography lists 212 of them) and about 15 books. - [http://scienceworld.wolfram.com/biography/BrillouinLeon.html http://scienceworld.wolfram.com/biography/BrillouinLeon.html] | |||
==Books== | ==Books== | ||
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* 1970 - "[[Relativity Reexamined]]" ([http://www.amazon.com/Relativity-Re-examined-Leon-Brillouin/dp/0121349454/ref=sr_1_2?ie=UTF8&s=books&qid=1219331173&sr=1-2 Read in full]) | * 1970 - "[[Relativity Reexamined]]" ([http://www.amazon.com/Relativity-Re-examined-Leon-Brillouin/dp/0121349454/ref=sr_1_2?ie=UTF8&s=books&qid=1219331173&sr=1-2 Read in full]) | ||
[[Category:Scientist|Brillouin | [[Category:Scientist|Brillouin Léon]] | ||
[[Category:Relativity|Brillouin | [[Category:Relativity|Brillouin Léon]] | ||
Latest revision as of 09:19, 22 July 2026
Léon N. Brillouin | |
|---|---|
| Léon N. Brillouin | |
| Born | August 7, 1889 |
| Died | October 1, 1969 (aged 80) |
| Residence | New York, NY, United States |
| Nationality | French |
| Known for | Relativity |
| Scientific career | |
| Fields | Physicist |
Léon Nicolas Brillouin was a French physicist. He was born in S?vres (near Paris), France. His father, Marcel Brillouin, was a physicist as well. He made contributions to quantum mechanics, radio wave propagation in the atmosphere, solid state physics, and information theory.
Brillouin was a founder of modern solid state physics for which he discovered, among other things, Brillouin zones. He applied information theory to physics and the design of computers and coined the concept of Negentropy to demonstrate the similarity between entropy and information. Brillouin offered a solution to the problem of Maxwell's demon. In his book, Relativity Reexamined, he called for a "painful and complete re-appraisal" of relativity theory which "is now absolutely necessary." - Wikipedia
French-American physicist and son of Marcel Brillouin (1854-1948) and Charlotte Mascart, who was herself the daughter of E. Mascart (1837-1908), a well-known French physicist of the 19th century. Léon Brillouin was educated at the ?cole Normale Supérieure (1908-1912), as was his father before him. He was professor at the Sorbonne (1928), and subsequently professor at the College de France (1932-1949), again following his father's footsteps.
During the war, Léon Brillouin emigrated to the United States, where he became a professor at the University of Wisconsin (1941) and Harvard (1946). He became an American citizen in 1949, was appointed director of Electronic Education at IBM (1948-53), and was elected a member of the National Academy of Sciences in 1953. From 1953 to his death in 1969, he was a professor at Columbia University in New York City.
Léon Brillouin specialized in quantum mechanics, <img height="12" alt="Eric Weisstein's World of Physics" width="12" src="http://scienceworld.wolfram.com/images/crossrefs/physics.gif" /> and developed the BWK method of approximating solutions to the Schrödinger equation <img height="12" alt="Eric Weisstein's World of Physics" width="12" src="http://scienceworld.wolfram.com/images/crossrefs/physics.gif" /> in 1926. He discovered the famous "Brillouin zones <img height="12" alt="Eric Weisstein's World of Physics" width="12" src="http://scienceworld.wolfram.com/images/crossrefs/physics.gif" />" of solid state physics, which are named in his honor. During his career, he authored more than 200 papers (his biography lists 212 of them) and about 15 books. - http://scienceworld.wolfram.com/biography/BrillouinLeon.html
Books
- 1970 - "Relativity Reexamined" (Read in full)