1. Biot JeanBaptiste Biot. Jean-Baptiste Biot was educated at the college of Louis-le-grandin Paris, then after graduating he joined the army in 1793. http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Biot.html

Jean-Baptiste Biot Born: 21 April 1774 in Paris, France Died: 3 Feb 1862 in Paris, France Click the picture above to see a larger version Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Jean-Baptiste Biot was educated at the college of Louis-le-grand in Paris, then after graduating he joined the army in 1793. He was then a pupil at the Ecole Polytechnique in Paris where Monge realised his potential. There was an attempted insurrection by the royalists against the Convention and Biot took part. He was captured by government forces and taken prisoner. Had it not been for Monge , who could not see someone with such talents remain in jail, or even die, pleading successfully for his release his promising career might have ended. Laplace In 1803 Biot was elected to the First Class of the Institute. Three years later he went with Arago to Spain to complete earlier work begun there on calculating the measure of the arc of the meridian. In 1809 Biot was appointed Professor of Physical Astronomy at the Faculty of Sciences. Biot studied a wide range of mathematical topics, mostly on the applied mathematics side. He made advances in astronomy, elasticity, electricity and magnetism, heat and optics on the applied side while, in pure mathematics, he also did important work in geometry. He collaborated with

2. Biographies Info Science Biot Jean-Baptiste Translate this page biot jean-baptiste Après des études au collège Louis-le-Grand, à Paris, Jean-BaptisteBiot, en conflit avec son père, s'engage comme artilleur. http://www.infoscience.fr/histoire/biograph/biograph.php3?Ref=124

3. Liste Des Biographies Translate this page Jean-Jacques Becquerel Henri Bède le Vénérable Behring Emil von Bernard ClaudeBernoulli Famille des Bichat François-Xavier biot jean-baptiste Bohr Niels http://www.infoscience.fr/histoire/biograph/biograph_list.php3

4. BIOT JEAN-BAPTISTE (1774-1862) Translate this page biot jean-baptiste (1774-1862). Fils d’un paysan lorrain qui le destinaitau commerce, Biot fait ses études au collège Louis-le-Grand (Paris). http://histoirechimie.free.fr/Lien/BIOT.htm

BIOT JEAN-BAPTISTE (1774-1862)

5. Base Joconde - Personnages Représentés Translate this page Louis de Biloul Louis François Binet Félix Binet Gérard Binet Pierre Louis BinetVirginie Bingle Mr Binot Louis François biot jean-baptiste Birague René http://www.culture.fr/documentation/joconde/QUIDAMS/quidams_09.htm

Base Joconde Besnard Robert Besqueut André Besqueut Mme Bessard Raymonde ... Boerne Louis de

6. CATHOLIC ENCYCLOPEDIA: Jean-Baptiste Biot (Catholic Encyclopedia) http://www.newadvent.org/cathen/02576a.htm

Home Encyclopedia Summa Fathers ... B > Jean-Baptiste Biot A B C D ... Z Jean-Baptiste Biot Biot was actively engaged in the various branches of the geodetic work involved in the famous measurement of the quadrant of a meridian, for the purpose of standardizing the length of the new unit, the meter. As a member of the Bureau of Longitudes he went, in 1806, with young Arago, to Formentera, in the Balearic Islands, to resume the measurement of a degree of the meridian, interrupted by the death of Mechian. In 1808 he determined, with Mathieu, the length of the seconds pendulum at Bordeaux and Dunkirk. In 1817 he went to Scotland and the Shetland Islands to verify the geodetic operations of the English under Colonel Mudge. In 1824 he returned to Italy, Sicily, and Spain, in order to correct some of the observations of the year 1808. He contributed more than 250 memoirs to various societies and periodicals. This enormous work covers the entire field of experimental and mathematical physics, as well as ancient and modern astronomy. He was the champion of the corpuscular theory of light which he extended to some most ingenious explanations of the very complex phenomena of polarization. Biot discovered the laws of rotary polarization by crystalline bodies and applied these laws to the analysis of saccharine solutions. His fame rests chiefly on his work in polarization and double refraction of light. Regular habits of study and recreation kept him in good health and led to a ripe old age. His mental attitude may be indicated by his opposition to the open meetings of the Academy; he feared the influence of the vulgar public upon the scientific tone of the Institute. Since he was brought up in the turbulent times of the

7. Biot jeanbaptiste biot. Born 21 April 1774 in Paris, France http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Biot.html

Jean-Baptiste Biot Born: 21 April 1774 in Paris, France Died: 3 Feb 1862 in Paris, France Click the picture above to see a larger version Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Jean-Baptiste Biot was educated at the college of Louis-le-grand in Paris, then after graduating he joined the army in 1793. He was then a pupil at the Ecole Polytechnique in Paris where Monge realised his potential. There was an attempted insurrection by the royalists against the Convention and Biot took part. He was captured by government forces and taken prisoner. Had it not been for Monge , who could not see someone with such talents remain in jail, or even die, pleading successfully for his release his promising career might have ended. Laplace In 1803 Biot was elected to the First Class of the Institute. Three years later he went with Arago to Spain to complete earlier work begun there on calculating the measure of the arc of the meridian. In 1809 Biot was appointed Professor of Physical Astronomy at the Faculty of Sciences. Biot studied a wide range of mathematical topics, mostly on the applied mathematics side. He made advances in astronomy, elasticity, electricity and magnetism, heat and optics on the applied side while, in pure mathematics, he also did important work in geometry. He collaborated with

8. Biot, Jean-Baptiste (1774-1862) -- From Eric Weisstein's World Of Scientific Bio Branch of Science " Physicists Nationality " French biot, jeanbaptiste (1774-1862) French physicist whose most important investigations involved polarized light and optical rotation, which he suggested was caused by an asymmetry in the aqueous http://www.treasure-troves.com/bios/Biot.html

Branch of Science Physicists Nationality French Biot, Jean-Baptiste (1774-1862) French physicist whose most important investigations involved polarized light and optical rotation, which he suggested was caused by an asymmetry in the aqueous molecules. This view was verified by Pasteur . With Arago , Biot studied the optical refraction of gases. Biot also showed that the change in polarization found in light passing through materials was a rotation, and demonstrated that many liquid organic solutions exhibited this optical activity. In a textbook, he affirmed the importance of precise mathematical experimentation and measurement, which he presented as the paradigm of physics. Biot is also known for his ascent in a balloon loaded with scientific equipment which he undertook with Gay-Lussac . With Savart in 1820, he showed that the magnetic force due to a current could be given by a mathematical formula, the so-called Biot-Savart law Arago Gay-Lussac Pasteur ... Savart Additional biographies: MacTutor (St. Andrews) Author: Eric W. Weisstein

9. Biot, Jean-Baptiste (1774-1862) -- From Eric Weisstein's World Of Scientific Bio biot, jeanbaptiste (1774-1862), French physicist whose most importantinvestigations involved polarized light and optical rotation http://scienceworld.wolfram.com/biography/Biot.html

Branch of Science Physicists Nationality French Biot, Jean-Baptiste (1774-1862) French physicist whose most important investigations involved polarized light and optical rotation, which he suggested was caused by an asymmetry in the aqueous molecules. This view was verified by Pasteur . With Arago , Biot studied the optical refraction of gases. Biot also showed that the change in polarization found in light passing through materials was a rotation, and demonstrated that many liquid organic solutions exhibited this optical activity. In a textbook, he affirmed the importance of precise mathematical experimentation and measurement, which he presented as the paradigm of physics. Biot is also known for his ascent in a balloon loaded with scientific equipment which he undertook with Gay-Lussac . With Savart in 1820, he showed that the magnetic force due to a current could be given by a mathematical formula, the so-called Biot-Savart law Arago Gay-Lussac Pasteur ... Savart Additional biographies: MacTutor (St. Andrews) Author: Eric W. Weisstein

10. Biot, Jean-Baptiste Lien vers la nouvelle version des pages web du patrimoine biot, jeanbaptiste. (1774-1862). biot, jean-baptiste http://www.polytechnique.fr/bcx/patrimoine/collectionhomme/BioBiot.html

Lien vers la nouvelle version des pages web du patrimoine : Biot, Jean-Baptiste Biot, Jean-Baptiste

11. Biot,Jean Baptiste Translate this page Indietro, biot,jean-baptiste, Parigi 21.04.1774 - 03.02.1862. fisico-matematico -astronomo francese. Insegnò fisica matematica al http://web.tiscali.it/no-redirect-tiscali/faidate2001/biografie/biot.htm

Indietro Biot,Jean-Baptiste Parigi 21.04.1774 - 03.02.1862 fisico- matematico -astronomo francese

12. Biot, Jean-Baptiste Translate this page biot, jean-baptiste (1774-1862). Professeur à l’Ecole centrale deBeauvais (1797), il devient examinateur d'admission à l'Ecole http://www.bibliotheque.polytechnique.fr/patrimoine/collectionhomme/BioBiot.html

Biot, Jean-Baptiste Professeur à l’Ecole centrale de Beauvais (1797), il devient examinateur d'admission à l'Ecole polytechnique de 1799 à 1806. Il est tout d'abord assistant de Laplace, puis un mémoire présenté à l'Institut lui vaut la chaire de physique mathématique au Collège de France en 1800 et l'Académie des sciences en 1803. Il prend part à l'ascension en ballon de Gay-Lussac (X1797) en 1804. Membre de l'Observatoire et astronome adjoint au Bureau des longitudes, il poursuit en Espagne, avec Arago (X1803), la triangulation de la méridienne en 1806, puis en Ecosse, aux îles Shetland, l'observation du pendule en 1817. Professeur d'astronomie physique de 1809 à 1816 puis en 1826 à la Sorbonne, membre de la Société royale de Londres en 1815, il découvre le pouvoir rotatoire moléculaire de certaines substances. Nommé au conseil de perfectionnement de l'Ecole polytechnique de 1816 à 1821, il est doyen de la Sorbonne de 1840 à 1849, membre libre de l'Académie des inscriptions en 1841 pour ses travaux sur l'astronomie des Egyptiens, puis de l'Académie française en 1856. Il travaille sur l'origine des météorites, le magnétisme terrestre, la lumière polarisée, invente le saccharimètre, et fonde avec Savart une loi sur les interactions entre aimants et courants.

13. Biot, Jean-Baptiste Professeur à lEcole centrale de Beauvais (1797), il devient examinateur d'admission à l'Ecole polytechnique de 1799 à 1806. http://www.patrimoine.polytechnique.fr/collectionhomme/BioBiot.html

Biot, Jean-Baptiste Professeur à l’Ecole centrale de Beauvais (1797), il devient examinateur d'admission à l'Ecole polytechnique de 1799 à 1806. Il est tout d'abord assistant de Laplace, puis un mémoire présenté à l'Institut lui vaut la chaire de physique mathématique au Collège de France en 1800 et l'Académie des sciences en 1803. Il prend part à l'ascension en ballon de Gay-Lussac (X1797) en 1804. Membre de l'Observatoire et astronome adjoint au Bureau des longitudes, il poursuit en Espagne, avec Arago (X1803), la triangulation de la méridienne en 1806, puis en Ecosse, aux îles Shetland, l'observation du pendule en 1817. Professeur d'astronomie physique de 1809 à 1816 puis en 1826 à la Sorbonne, membre de la Société royale de Londres en 1815, il découvre le pouvoir rotatoire moléculaire de certaines substances. Nommé au conseil de perfectionnement de l'Ecole polytechnique de 1816 à 1821, il est doyen de la Sorbonne de 1840 à 1849, membre libre de l'Académie des inscriptions en 1841 pour ses travaux sur l'astronomie des Egyptiens, puis de l'Académie française en 1856. Il travaille sur l'origine des météorites, le magnétisme terrestre, la lumière polarisée, invente le saccharimètre, et fonde avec Savart une loi sur les interactions entre aimants et courants.

14. La Collection Scientifique De L’Ecole Polytechnique Translate this page 1891) Becquerel, Antoine Henri (1852-1908) Bertin, Pierre-Augustin (1818-1884) Blondel,André Eugène (1863-1938) biot, jean-baptiste (1774-1862) Cagniard de http://www.bibliotheque.polytechnique.fr/patrimoine/collectionhomme/Hommes.html

Sommaire Thématique Sommaire Alphabétique Les Inventeurs Ampère, André Marie (1775-1836) Arago François (1786-1853) Armstrong, William George (1810-1900) Babinet, Jacques (1794-1872) ... Becquerel, Antoine Henri (1852-1908) Bertin, Pierre-Augustin (1818-1884) Blondel, André Eugène (1863-1938) Biot, Jean-Baptiste (1774-1862) Cagniard de Latour, Charles (1777-1859) Chaulnes, Michel Ferdinand (duc de ) (1712-1777) ... Fabry, Maurice Paul Auguste Charles (1867-1945) Faraday, Michael (1791-1867) Foucault, Jean (1820-1868) Fresnel, Augustin Jean (1788-1827) Gay Lussac, Louis Joseph (1779-1850) Holtz, Guillaume (1836-1913) La Rive, Auguste de (1801-1873) Mallard, françois Ernest (1833-1894) Masson, Antoine (1806-1860) OErsted, Jean-Christian (1777-1851) Peaucellier, Charles Nicolas (1832-1913) Pérot, Jean-Baptiste Alfred (1863-1925) Pouillet Claude (1791-1868) ... Wheatstone, Charles (1802-1875) Les Appareilleurs Carpentier, Jules (1851-1921) Collardeau-Duheaume, charles-Félix (1796-1869) Duboscq, Jules (1817-1886) Fortin, Nicolas (1750-1831) ... Ruhmkorff, Heinrich-Daniel (1803-1877)

15. Jean-Baptiste BIOT Translate this page jean-baptiste biot (1774-1862) Élu en 1856 au fauteuil 12 Prédécesseur Charles Lacretelle jeune Successeur Louis de Carné. http://www.academie-francaise.fr/immortels/base/academiciens/fiche.asp?param=403

16. Les œuvres De Jean-Baptiste BIOT Translate this page Œuvres de jean-baptiste biot. 1801, Analyse du traité de mécanique céleste deLaplace. 1802, Traité analytique des courbes et des surfaces du second degré. http://www.academie-francaise.fr/immortels/base/publications/oeuvres.asp?param=4

17. BIOT, Jean-Baptiste., Mémoires De La Classe Des Sciences Mathématiques Et Phys Bernard Quaritch Ltd. biot, jeanbaptiste. Mémoires de la classe dessciences mathématiques et physiques. Mémoire sur un nouveau http://www.polybiblio.com/quaritch/Sq10.html

Bernard Quaritch Ltd. BIOT, Jean-Baptiste. Mémoires de la classe des sciences mathématiques et physiques. Mémoire sur un nouveau genre d'oscillation que les molécules de la lumière éprouvent en transversant certains cristaux ... Lu à l'institut le 30 novembre 1812. Paris, Firmin Didot, 1814. 4to, pp. [iv], 371, with 2 folding engraved plates; the initial four leaves minimally soiled; a very good, uncut copy in contemporary marbled boards, spine damaged, corners rubbed. FIRST EDITION, VERY RARE. 'His most important work [is] the study of polarization of light, the research for which Biot was awarded the Rumford Medal in 1840 by the Royal Society of London. The polarization of light by reflection had been discovered by Malus in Paris in the fall of 1808 ... Malus' discovery opened up an entirely new field of research, and no one was more stimulated than his two associates in the Arcueil group, Arago and Biot' (DSB). Biot carried out various experiments on the ratio between the thickness of crystal plates, and the colours produced by light passing through. Exact measurements and observations enabled him to discover that the colour of light sent through crystalline plates 'depended on the thickness of the crystal traversed by the refracted ray and varied as the square of the sine of the angle that the direction of the ray formed with the optical axis. 'Biot's interpretation of his results was in terms of a repulsive force that caused polarization by acting on the particles of light. This conception was first worked out in detail in a memoir presented to the first Class on 30 November 1812. The discovery of polarization had greatly encouraged Laplace, Biot, and others who supported a corpuscular theory of light' (ibid.).

18. ENPC Jean-Baptiste BIOT Translate this page Retour al'historique. jean-baptiste biot (1774-1862). Mathématicien,physicien et astronome, biot est le contemporain d'illustres http://www.enpc.fr/Comm/PAGES/biot.html

Jean-Baptiste BIOT (1774-1862)

19. ENPC Jean-Baptiste BIOT Translate this page Page en construction. http://www.enpc.fr/Comm/PAGES/enconstruction.html

Page en construction

20. Molecular Expressions: Science, Optics And You - Timeline - Jean-Baptiste Biot jeanbaptiste biot (1774-1862). jean-baptiste biot was a physicist andmathematician who made advances in geometry, astronomy, elasticity http://micro.magnet.fsu.edu/optics/timeline/people/biot.html

Visit the Molecular Expressions Website Galleria Photo Gallery ... Home Jean-Baptiste Biot Jean-Baptiste Biot was a physicist and mathematician who made advances in geometry, astronomy, elasticity, magnetism, heat and optics. For his work on the polarization of light passing through chemical solutions, Biot received the Rumford Medal from the Royal Society in 1840. Biot's father was a treasury official who had planned for his son to enter the world of commerce. Biot was provided with a private math tutor in his youth and was educated at the college of Louis-le-Grand before joining the French army in 1793. After serving briefly in the artillery, he enrolled at the Polytechnic School in Paris. He later moved to Beauvais to act as a mathematics professor, but returned to Paris in 1800 when he was given the position of chair of mathematical physics at the College de France. Elected to the French Academy of Sciences at an unusually young age in 1803, that same year Biot was sent to investigate objects falling from the sky. His findings helped initiate the general acceptance of the existence of meteorites. Then, in 1804, he accompanied Joseph Gay-Lussac on the first balloon trip undertaken for scientific purposes. Biot's interest in optics was spurred in 1806 when Thomas Young revived the wave theory of light. The resurgence of the theory divided the great physics minds of the day into two separate camps, one that supported the wave theory, and another that believed in the corpuscular nature of light. Biot, a member of the latter group, began devoting his time to developing mathematical support for the idea that light existed as particles. In 1808, experiments performed by Etienne-Louis Malus showed that reflected light became polarized, a finding that could only be explained by the wave theory of light. However, Biot chose to repeat and expand upon the work of Malus in hopes of attaining validation for the opposing light theory.

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