61. Lord John William Strutt Rayleigh (1842 - 1919) Translate this page lord john william strutt rayleigh (1842 - 1919 il découvrit, avec le chimiste anglaissir william Ramsay, un Pour cette découverte, rayleigh reçut en 1904 le http://isimabomba.free.fr/biographies/chimistes/rayleigh.htm

Lord John William Strutt Rayleigh (1842 - 1919) M R R sir William Ramsay Ramsay LISTE HOME

62. Lord Rayleigh, John William Strutt lord rayleigh was born john william strutt into a barony His father, john James strutt,had been Second lord rayleigh was an excellent instructor and, under http://www.ob-ultrasound.net/rayleigh.html

Lord Rayleigh was born John William Strutt into a barony begun in 1821 on the occasion of King George IV's coronation. He was the eldest of seven children, born on the 12th November 1842. His father, John James Strutt, had been Second Baron for only six years, during which time he had married Clara Latouche Vicars, a lady over twenty five years his junior. His inquisitive scientific mind showed itself when he was four (despite the fact that he had seemed rather unintelligent when he was unable to speak at the age of almost three). His aunt Emily complained at his constant questioning, such as: "What becomes of the water spilt on the tablecloth after it has dried up?" He attended Eton College at ten years of age, only to catch smallpox, and then whooping cough. His parents decided a home education would be best, and so a private tutor educated him in mathematics, trigonometry and statics. His short stay at Harrow (West Acre, 18571 - 18572) was his last at school, as he caught a chest infection which left him in ill health for the rest of his life. He was taught from the ages of fourteen to eighteen by Rev. G.T. Warner at Torquay. He entered Trinity College, Cambridge in October 1861 having passed his entrance exams with great success. His mathematics course was vital to his future career in understanding physics. He graduated in 1865 with awards which displayed his promise, a promise which he amply fulfilled. He gained a fellowship at the college the following year, which he held for five years before he married. In 1873 his father died, so he became Third Baron Rayleigh and inherited Terling Place, Essex, as well. For the next three years he felt compelled to look after the estate so his scientific research was little. In 1876, he left the job to his younger brother.

63. Lord (John William Strutt) Rayleigh: Awards Won By Lord (John William Strutt) Ra Awards of lord (john william strutt) rayleigh. http://www.123awards.com/artist/6107.asp

hardwork is paid in form of awards Awards of Lord (John William Strutt) Rayleigh OTHER-NOBEL PHYSICS Enter Artist/Album Partner Sites Stardose.com RealLyrics.com OnlyHitLyrics.com Biography Search Engine ... privacy

64. RAYLEIGH JOHN WILLIAM STRUTT Lord (1842-1919) équipant un laboratoire personnel,rayleigh fait figure Il appartient, comme Michael Faraday, lord Kelvin (sir http://histoirechimie.free.fr/Lien/RAYLEIGH.htm

RAYLEIGH JOHN WILLIAM STRUTT lord (1842-1919) e Theory of Sound Non moins remarquables sont les deux longs articles " Optics " et " Wave Theory of Light " parus dans l’ Encyclopaedia Britannica e

65. Biography Of JW Strutt john william strutt, third Baron rayleigh, was born on November Essex, as the sonof john James strutt lord rayleigh, a former Chancellor of Cambridge University http://physics.uplb.edu.ph/laureates/1904/strutt-bio.html

66. RAYLEIGH, JOHN WILLIAM STRUTT rayleigh, john william strutt, 3rd baron the wife of Joseph Holden strutt, MP forMaldon lord rayleigh had an interest in abnormal psychological investigations http://63.1911encyclopedia.org/R/RA/RAYLEIGH_JOHN_WILLIAM_STRUTT.htm

document.write(""); RAYLEIGH, JOHN WILLIAM STRUTT RAYLEIGH, JOHN WILLIAM STRUTT, 3rd baron i The barony was created at George IV.’s coronation in 1821 for the wife of Joseph Holden Strutt, M.P. for Maldon (1790—1826) and Okehampton (1826—1830), who had done great service during his wife, the baroness, predeceasing him in 1836. Their son (d. 1873) was the 2nd baron. - earth’s atmosphere. Lord Rayleigh had an interest in abnormal psychological investigations, and became a member and vicepresident of the Society for Psychical Research. He was one of the original members of the Order of Merit, instituted in connexion with the coronation of King Edward VII. In 1904 he was awarded a Nobel prize, and at the end of 1905 he became president of the Royal Society, of which he had been elected a fellow in 1873, and had acted as secretary from 1885 to 1896. He remained president till 1908, in which year he was chosen to succeed the 8th duke of Devonshire as chancellor of Cambridge University. For a popular but authentic account of some of Lord Rayleigh’s scientific work and discoveries, see an article by Sir Oliver Lodge in the National Review for September I898. See Augustus Maverick, Henry f. Raymond and the New York Press for Thirty Years (Hartford, Conn., 1870); and “ Extracts from the Journal of Henry J. Raymond,” edited by his son, Henry H. Raymond, in Scribners’ Monthly, vols. xix. and xx. (New York, 1879—80).

67. Rayleigh john william strutt lord rayleigh. john william strutt suffered from poor health andhis schooling at Eton rayleigh discovered the inert gas argon in 1895, work http://physics.hallym.ac.kr/reference/physicist/Rayleigh.html

Origin John William Strutt Lord Rayleigh Born: 12 Nov 1842 in Langford Grove (near Maldon), Essex, England Died: 30 June 1919 in Terling Place, Witham, Essex, England Show birthplace location Previous (Chronologically) Next Biographies Index Previous ( Alphabetically) Next Welcome page John William Strutt suffered from poor health and his schooling at Eton and Harrow was disrupted and for four years he had a private tutor. He entered Trinity College, Cambridge in 1861, graduating in 1864. His first paper in 1865 was on Maxwell 's electromagnetic theory. He worked on propogation of sound and, while on an excursion to Egypt taken for health reasons, Strutt wrote Treatise on Sound (1870-1). In 1879 he wrote a paper on travelling waves, this theory has now developed into the theory of solitons. His theory of scattering (1871) was the first correct explanation of why the sky is blue. In 1873 he succeeded to the title of Baron Rayleigh. From 1879 to 84 he was the second Cavendish professor of experimental physics at Cambridge succeeding Maxwell . Then in 1884 he became secretary of the Royal Society. Rayleigh discovered the inert gas argon in 1895, work which earned him a Nobel Prize, in 1904.

68. Rayleigh john william strutt lord rayleigh. john strutt suffered from poor health and hisschooling at Eton rayleigh discovered the inert gas argon in 1895, work which http://physics.rug.ac.be/Fysica/Geschiedenis/Mathematicians/Rayleigh.html

John William Strutt Lord Rayleigh Born: 12 Nov 1842 in Langford Grove (near Maldon), Essex, England Died: 30 June 1919 in Terling Place, Witham, Essex, England John Strutt suffered from poor health and his schooling at Eton and Harrow was disrupted and for four years he had a private tutor. He entered Trinity College, Cambridge in 1861, graduating in 1864. His first paper in 1865 was on Maxwell's electromagnetic theory. He worked on propogation of sound and, while on an excursion to Egypt taken for health reasons, Strutt wrote Treatise on Sound (1870-1). In 1879 he wrote a paper on travelling waves, this theory has now developed into the theory of solitons. His theory of scattering (1871) was the first correct explanation of why the sky is blue. In 1873 he succeeded to the title of Baron Rayleigh. From 1879 to 84 he was the second Cavendish professor of experimental physics at Cambridge succeeding Maxwell. Then in 1884 he became secretary of the Royal Society. Rayleigh discovered the inert gas argon in 1895, work which earned him a Nobel Prize, in 1904. He was awarded the De Morgan Medal of the London Mathematical Society in 1890 and was president of the Royal Society between 1905 and 1908. He became chancellor of Cambridge University in 1908.

69. Premio Nobel De Física - Wikipedia Translate this page Michelson 1906 Sir Joseph john Thomson 1905 Philipp Eduard Anton von Lenard 1904Lord (john william strutt) rayleigh 1903 Antoine Henri See also Premio nobel, http://es.wikipedia.org/wiki/Premio_Nobel/Física

Portada Cambios Recientes Edita esta página Historia Páginas especiales Preferencias de usuario Mi lista de seguimiento Cambio Recientes Subir una imagen Lista de imágenes Usuarios registrados Estadísticas del sitio Artículo aleatorio Artículos huérfanos Imágenes huérfanas Artículos populares Artículos más solicitados Artículos cortos Artículos largos Artículos nuevos Todas las páginas (alfabético) Direcciones IP bloqueadas Página de mantención Fuentes externas de libros Versión para imprimir Discusión Registrase/Entrar Ayuda Otros idiomas: Dansk(Danés) English (Inglés) Esperanto Nederlands (Holandés) Premio Nobel de Física (Redirigido desde Premio Nobel/Física Ver enlace: http://www.nobel.se/physics/laureates/index.html Raymond Davis, Masatoshi Koshiba, Riccardo Giacconi Eric A. Cornell, Wolfgang Ketterle, Carl E. Wieman Zhores I. Alferov, Herbert Kroemer, Jack S. Kilby Gerardus 't Hooft Martinus J.G. Veltman Robert B. Laughlin, Horst L. Störmer, Daniel C. Tsui Steven Chu, Claude Cohen-Tannoudji, William D. Phillips David M. Lee, Douglas D. Osheroff, Robert C. Richardson Martin L. Perl, Frederick Reines

70. Rayleigh john william strutt lord rayleigh. john william strutt suffered from poor health andhis schooling at Eton rayleigh discovered the inert gas argon in 1895, work http://www.tu-bs.de/institute/pci/aggericke/Personen/Rayleigh.html

John William Strutt Lord Rayleigh Born: 12 Nov 1842 in Langford Grove (near Maldon), Essex, England Died: 30 June 1919 in Terling Place, Witham, Essex, England Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Welcome page John William Strutt suffered from poor health and his schooling at Eton and Harrow was disrupted and for four years he had a private tutor. He entered Trinity College, Cambridge in 1861, graduating in 1864. His first paper in 1865 was on Maxwell 's electromagnetic theory. He worked on propogation of sound and, while on an excursion to Egypt taken for health reasons, Strutt wrote Treatise on Sound (1870-1). In 1879 he wrote a paper on travelling waves, this theory has now developed into the theory of solitons. His theory of scattering (1871) was the first correct explanation of why the sky is blue. In 1873 he succeeded to the title of Baron Rayleigh. From 1879 to 84 he was the second Cavendish professor of experimental physics at Cambridge succeeding Maxwell . Then in 1884 he became secretary of the Royal Society. Rayleigh discovered the inert gas argon in 1895, work which earned him a Nobel Prize, in 1904.

71. The Nobel Prize For Physics (1901-1998) web site at http//www.nobel.se. Curie Marie SklodowskaCurie 1904 1894 lord RayleighDensity of and discovery of argon (aka john william strutt) 1905 1899 http://math.ucr.edu/home/baez/physics/Administrivia/nobel.html

[Physics FAQ] Updated October 1998 by Nathan Urban. Updated 1997,96 by PEG. Updated 1994 by SIC. Original by Scott I. Chase. The Nobel Prize for Physics (1901-1998) The following is a complete listing of Nobel Prize awards, from the first award in 1901. Prizes were not awarded in every year. The date in brackets is the approximate date of the work. The description following the names is an abbreviation of the official citation. The Physics prize is announced near the beginning of October each year. One of the quickest ways to get the announcement is to watch the Nobel Foundation web site at http://www.nobel.se

72. Nobel Prizes In Physics [UWA Physics] is a complete listing of nobel Prize awards in Curie Marie SklowdowskaCurie 1904Lord rayleigh Density of gases and (aka john william strutt) discovery of http://www.physics.uwa.edu.au/Misc/nobel.html

Nobel Prizes in Physics The following is a complete listing of Nobel Prize awards in Physics, from the first award in 1901. Prizes were not awarded in every year. The description following the names is an abbreviation of the official citation:

73. Rayleigh 1842-1919 Picture On Staircase James Clerk Maxwell House john william strutt lord rayleigh Born 12 Nov 1842 in Place, Witham, Essex, Englandjohn william strutt suffered from rayleigh discovered the inert gas argon http://www.ma.hw.ac.uk/icms/jcmpages/pages/Rayleigh_1842-1919_Picture_.htm

RAYLEIGH 1842 - 1919 John William Strutt Lord Rayleigh Born: 12 Nov 1842 in Langford Grove (near Maldon), Essex, England Died: 30 June 1919 in Terling Place, Witham, Essex, England John William Strutt suffered from poor health and his schooling at Eton and Harrow was disrupted and for four years he had a private tutor. He entered Trinity College, Cambridge in 1861, graduating in 1864. His first paper in 1865 was on Maxwell's electromagnetic theory. He worked on propagation of sound and, while on an excursion to Egypt taken for health reasons, Strutt wrote Treatise on Sound (1870-1). In 1879 he wrote a paper on travelling waves, this theory has now developed into the theory of solitons. His theory of scattering (1871) was the first correct explanation of why the sky is blue. In 1873 he succeeded to the title of Baron Rayleigh. From 1879 to 84 he was the second Cavendish professor of experimental physics at Cambridge succeeding Maxwell. Then in 1884 he became secretary of the Royal Society. Rayleigh discovered the inert gas argon in 1895, work which earned him a Nobel Prize, in 1904. He was awarded the De Morgan Medal of the London Mathematical Society in 1890 and was president of the Royal Society between 1905 and 1908. He became chancellor of Cambridge University in 1908.

74. Marconi - Historical Papers nineteenth century mathematical physics, john william strutt, Third Baron lord Rayleighwas to carry out fundamental research His award of the nobel prize for http://www.marconi.com/html/about/historicalpapers.htm

Home Search Login Site Map ... Global Connections Historical Papers Historical Papers Published in GEC Review If you have any queries concerning these papers please contact us 'Marconi - 50 Years on' 'The Changing World of Avionics' 'The Marconi Archives' ... 'The History of the General Electric Company up to 1900 - Part 2' 'Marconi - 50 Years on' , G.D. Speake vol. 3, no. 3, pp. 165-170, 1987. Marconi, the 'father of wireless', and founder in 1897 of the first wireless company in the world, which bore his name, died in 1937. In the same year, the Board of Marconi's company decided to build a research laboratory at Great Baddow: this is now the GEC-Marconi Research Centre. This paper considers some of the current areas of study, and draws parallels between them and the work done by Marconi and his associates during his lifetime. 'The Changing World of Avionics' , G.M. Barling vol. 6, no. 1, pp. 3-14, 1990. This paper describes the important milestones in the development of avionics, related to Weapon Delivery/Navigation Systems (WDNS), which have occurred from the earliest days of aviation to the present day. A brief history of GEC Avionics helps to set into perspective the current avionic product range of the Company, which with GEC Sensors Limited, is now part of the GEC-Marconi group. Finally a look at possible future avionic systems is given. 'The Marconi Archives'

75. NOBEL FÝZÝK ÖDÜLLERÝ Abraham Michelson 1906 Joseph john Thomson 1905 Philipp Eduard Anton von Lenard 1904Lord (john william strutt) rayleigh 1903 Antoine nobel FÝZÝK ÖDÜLLERÝ. http://www.geocities.com/fizikmuhendisligi/NobelFizik.html

ANA SAYFA FÝZÝK MÜHENDÝSLÝÐÝ FÝZÝKÇÝLER FÝZÝK TARÝHÝ ... E-MAÝL FORMU 2002 Raymond Davis Jr., Masatoshi Koshiba, Riccardo Giacconi 2001 Eric A. Cornell, Wolfgang Ketterle, Carl E. Wieman 2000 Zhores I. Alferov, Herbert Kroemer, Jack S. Kilby 1999 Gerardus 't Hooft, Martinus J.G. Veltman 1998 Robert B. Laughlin, Horst L. Störmer, Daniel C. Tsui 1997 Steven Chu, Claude Cohen-Tannoudji, William D. Phillips 1996 David M. Lee, Douglas D. Osheroff, Robert C. Richardson 1995 Martin L. Perl, Frederick Reines 1994 Bertram N. Brockhouse, Clifford G. Shull 1993 Russell A. Hulse, Joseph H. Taylor Jr. 1992 Georges Charpak 1991 Pierre-Gilles de Gennes 1990 Jerome I. Friedman, Henry W. Kendall, Richard E. Taylor 1989 Norman F. Ramsey, Hans G. Dehmelt, Wolfgang Paul 1988 Leon M. Lederman, Melvin Schwartz, Jack Steinberger 1987 J. Georg Bednorz, K. Alexander Müller 1986 Ernst Ruska, Gerd Binnig, Heinrich Rohrer 1985 Klaus von Klitzing 1984 Carlo Rubbia, Simon van der Meer 1983 Subramanyan Chandrasekhar, William Alfred Fowler 1982 Kenneth G. Wilson 1981 Nicolaas Bloembergen, Arthur Leonard Schawlow, Kai M. Siegbahn

76. Biography Of J. W. Strutt john william strutt, third Baron rayleigh, was born on November Essex, as the sonof john dames strutt lord rayleigh, a former Chancellor of Cambridge University http://140.114.18.41/tem/電子書/biography/physics-1904-1-bio.html

JOHN WILLIAM STRUTT John William Strutt , third Baron Rayleigh, was born on November 12, at Langford Grove, Maldon, Essex, as the son of John dames Strutt, second Baron, and his wife Clara Elizabeth La Touche, eldest daughter of Captain Richard Vicars, R. E. He was one of the very few members of higher nobility who won fame as an outstanding scientist Throughout his infancy and youth he was of frail physique; his education was repeatedly interrupted by ill-health, and his prospects of attaining maturity appeared precarious. After a short spell at Eton at the age of 10, mainly spent in the school sanatorium, three years in a private school at Wimbledon, and another short stay at Harrow, he finally spent four years with the Rev. George Townsend Warner (1857) who took pupils at Torquay. In 1861 he entered Trinity College, Cambridge , where he commenced reading mathematics, not at first equal in attainments to the best of his contemporaries, but his exceptional abilities soon enabled him to overtake his competitors. He graduated in the Mathematical Tripos in 1865 as Senior Wrangler and Smith's Prizeman. In 1866 he obtained a fellowship at Trinity which he held until 1871, the year of his marriage. A severe attack of rheumatic fever in 1872 made him spend the winter in Egypt and Greece. Shortly after his return his father died (1873) and he succeeded to the barony, taking up residence in the family seat, Terling Place, at Witham, Essex. He now found himself compelled to devote part of his time to the management of his

77. The Hindu : Nobel Laureates In Physics: Down Memory Lane nobel Laureates in physics Down memory lane. 1904 lord john william strutt RAYLEIGHfor his investigations of the densities of the most important gases and for http://www.hinduonnet.com/thehindu/2001/10/11/stories/08110005.htm

Online edition of India's National Newspaper Thursday, October 11, 2001 Front Page National Southern States Other States ... Next Nobel Laureates in physics: Down memory lane 2001 WOLFGANG KETTERLE, ERIC CORNELL AND CARL WEIMANN for their achievement of Bose-Einstein condensation in dilute gases of alkali atoms and for early fundamental studies of the properties of the condensates. 2000-1991 2000 ZHORES I. ALFEROV, and HERBERT KROEMER for developing semiconductor heterostructures used in high-speed- and opto- electronics and JACK ST. CLAIR KILBY for his part in invention of the integrated circuit. 1999 GERARDUS 'T HOOFT, and MARTINUS J.G. VELTMAN for elucidating the quantum structure of electroweak interactions in physics. 1998 ROBERT B. LAUGHLIN, HORST L. STORMER and DANIEL C. TSUI for their discovery of a new form of quantum fluid with fractionally charged excitations. 1997 STEVEN CHU, CLAUDE COHEN-TANNOUDJI and WILLIAM D. PHILLIPS for development of methods to cool and trap atoms with laser light. 1996 DAVID M. LEE, DOUGLAS D. OSHEROFF and ROBERT C. RICHARDSON for their discovery of superfluidity in helium-3.

78. Nobelovy Ceny Za Fyziku 1904, lord john william strutt rayleigh (Velká Británie) Objev argonu. 1905,Philipp Eduard Anton von Lenard (Nemecko) - Studium katodového zárení. http://www.volny.cz/michal_bachman/fyzika.htm

Last updated: 13.10.2002 21:12:41 skok na: Wilhelm Conrad Röntgen (Nìmecko) - Objev rentgenového záøení Hendrik Antoon Lorentz a Pieter Zeeman (Nizozemí) - Výzkum vlivu magnetického pole na svìtlo (Zeemanùv jev) Pierre Curie, Marie Curie a Antonie Henri Becquerel (Francie) - Objev radioaktivity Lord John William Strutt Rayleigh (Velká Británie) - Objev argonu Philipp Eduard Anton von Lenard (Nìmecko) - Studium katodového záøení Sir Joseph John Thomson (Velká Británie) - Výzkum výbojù v plynech Albert Abraham Michelson (USA) - Mìøení rychlosti svìtla Gabriel Lippmann (Framcie) - Vývoj barevné fotografie (ve spektrografii) Guglielmo Marconi (Itálie) a Carl Ferdinand Braun (Nìmecko) - Vynález bezdrátové telegrafie Johannes Diderik van der Waals (Nizozemí) - Studium mezimolekulárních sil v kapalinách a plynech Wilhelm Wien (Nìmecko) - Výzkum záøení èerného tìlesa Nils Gustaf Dalén (Švédsko) - Vynález automatického pøívodu plynu pro majáky Heike Kamerlingh-Onnes (Nizozemí) - Výzkum vlastností látek za nízkých teplot vedoucí mj. ke zkapalnìní helia Max von Laue (Nìmecko) - Studium rentgenového záøení difrakcí na krystalech sir William Henry Bragg a sir William Lawrence Braag (Velká Británie) - Studium krystalové struktury použitím rentgenova záøení cena neudìlena Charles Glover Barkla (Velká Británie) - Studium emise rentgenového záøení a jiných krátkovnlnných záøení Max Karl Ernst Ludwig Planck (Nìmecko) - Návrh kvantové teorie atomu Johannes Stark (Nìmecko) - Studium spekter v elektrických polích

79. Tensen Physics Dictionary (biographies) john william strutt (lord rayleigh) (1819) was most commonly known for his lordrayleigh also work in acoustical physics Sir Joseph john Thompson (1856-1940 http://www.mcm.edu/~christej/dictionary/bib.html

A B C D ... Z Niels Henrik Abel ) was a Norwegian mathematician. ( pg.703) Andre Marie Ampere ) was a French mathematician, chemist, and physicist who experimentally quantified the relationship between the electrical current and the magnetic field . His works were summarized in a treatise published in , The units of electrical current are named after him. ( pg.5) The Bernoulli Family consisted of nine Swiss mathematicians in three generations. The father, Johan , lived from to Daniel has been called the "Father of Mathematical Physics." All were followers of Leibniz Charles A. Coulomb ) was a French engineer and physicist who published the laws of electrostatics in seven memoirs to the French Academy of Science between and . His name is associated with the units of electrical charge pg.5) ) was a French mathematician who "fathered" modern mathematics." ( Pierre de Fermat ) was a French lawyer, linguist and amateur mathematician who extended ideas about algebra and contributed to optics with his "Principle of Least Time." ( Leonard Euler ) (rhymes with boiler not ruler ) was probably the most prolific mathematician (student of Johan Bernoulli , friend of Daniel Bernoulli ) of all time, known for the quality of his vast works. (

80. Les Briques De L'Univers (TM) - Biographies Translate this page john william strutt rayleigh effectua des recherches dans les domaines de Avec sirwilliam Ramsay, il découvrit en 1894 de la page RUTHERFORD, lord Ernest (1871 http://www.ac-versailles.fr/etabliss/herblay/briques/fr/fr_galry.htm

Les briques de l'Univers Biographies A B C D ... Z A ABELSON, P.H. (xxxx-xxxx) AMPERE, André-Marie Avogadro ASTON, Francis William Chimiste et physicien britannique. En 1913, Francis William Aston montre que le néon atmosphérique est bien un mélange de deux isotopes de masse 20 et 22 dans le rapport de 10 à 1. AVOGADRO, Amedeo Chimiste italien né et mort à Turin (Italie). En 1811, il formula le premier que " B BALARD, Antoine Chimiste français, né à Montpellier (France). Il fut professeur à l'Ecole Normale Supérieure, à la Sorbonne et au Collège de France. Excellent expérimentateur, il était si passionné par ce qu'il faisait qu'il rentrait rarement chez lui le soir. Parmi tous ses élèves, il compta Pasteur et lui demanda de rester à ses côtés comme agrégé préparateur. En 1826, il découvre le brome dans les eaux mères des salines de la région de Montpellier. BARTLETT, Neil (19xx-xxxx) Chimiste suédois. Il fut un des premiers chimistes à accepter la théorie atomique de Dalton En 1818, il publia le premier tableau des masses atomiques de 45 des 49 éléments connus à cette époque. Il proposa la représentation symbolique des éléments chimiques en introduisant l'usage d'une ou deux lettres tirées de leurs noms latins. En 1817, il découvrit le sélénium et le silicium, en 1823.

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