21. Chemistry 1932 irving langmuir. USA. The Nobel Prize in Chemistry 1932 Presentation Speechirving langmuir Biography Nobel Lecture Banquet Speech Other Resources. http://www.nobel.se/chemistry/laureates/1932/

The Nobel Prize in Chemistry 1932 "for his discoveries and investigations in surface chemistry" Irving Langmuir USA General Electric Company Schenectady, NY, USA b. 1881 d. 1957 The Nobel Prize in Chemistry 1932 Presentation Speech Irving Langmuir Biography ... Other Resources The 1932 Prize in: Physics Chemistry Physiology or Medicine Literature ... Peace Find a Laureate: SITE FEEDBACK CONTACT TELL A FRIEND Last modified October 14, 2003 The Official Web Site of The Nobel Foundation

22. Langmuir, Irving langmuir, irving. ( b. Jan. 31, 1881, Brooklyn, N.Y After studying metallurgical engineering at Columbia University, langmuir worked under Walther H http://www.britannica.com/nobel/micro/337_93.html

Langmuir, Irving (b. Jan. 31, 1881, Brooklyn, N.Y., U.S.d. Aug. 16, 1957, Falmouth, Mass.), American physical chemist whose studies of molecular films on solid and liquid surfaces opened new fields in colloid research and biochemistry and won him the Nobel Prize in Chemistry for 1932. Investigating electrical discharges in gases, electron emission, and the high-temperature surface chemistry of tungsten, Langmuir greatly extended the life of the tungsten-filament light bulb. He also developed a vacuum pump, high-vacuum tubes used in radio broadcasting, and an atomic hydrogen blowtorch capable of producing temperatures greater than 3,000 C (6,000 F). Working independently of the American atomic chemist Gilbert N. Lewis, Langmuir formulated theories of atomic structure and chemical bond formation and introduced the term covalence. In 1946 he and his associates began to explore the possibility of inducing rainfall by seeding clouds with silver iodide and solidified carbon dioxide.

23. Adventures In CyberSound: Langmuir, Irving An online, academic work that will research the history of radio and the related media services of telegraphy, telephony, facsimile, television, photography and cinema. The project will also R E http://www.acmi.net.au/AIC/LANGMUIR_BIO.html

A D V E N T U R E S in C Y B E R S O U N D Irving Langmuir : 1881 - 1957 Dr. Irving Langmuir, one of the twentieth century's outstanding chemists, was born in Brooklyn, NY where his father was employed as an insurance executive. Educated in the public schools of New York and Paris, France, he earned a B.S. degree from the Columbia University Schools of Mines and a Ph.D. in chemistry from the University of Gottingen Germany, where he studied under Nobel Laureate Walter Nernst. His first professional position was an instructor of chemistry at Stevens Institute, Hoboken, NJ from 1906 to 1909. He moved on to the General Electric Research Laboratory, Schenectady, NY, in 1909. There he spent the remainder of a prolific career that was to include more than 200 scientific publications, 63 patents, and the recipient of numerous honors, including the 1932 Nobel Prize for Chemistry. Dr. Langmuir's initial researches at the General Electric involved low-pressure chemical reactions and the study of the emission of electrons by hot filaments in a vacuum. This work led directly to two major inventions: the high vacuum electron tube (1912) and the gas-filled incandescent lamp (1913), which remains the most important type of indoor lighting in sizes of 40 watts and up. In addition, these early researches led Dr. Langmuir to formulate his theory of absorption, describing the formation of single layers of molecules on surfaces in terms of chemical bonding forces. This work forms the foundation of modern work on surface chemistry, with major implications for such fields as catalysis, and the orientation of molecules at liquid or solid surfaces. It is the basis for the Nobel Award that he received.

24. Gilbert Newton Lewis And Irving Langmuir Two Americans who were instrumental in developing a bonding theory based on the number of electrons in the outermost "valence" shell of the atom were Gilbert Newton Lewis (1875â 1946) and irving langmuir (1881â 1957). G. N. Lewis at his Desk. for the General Electric Company, irving langmuir made scientific contributions in chemistry http://www.chemheritage.org/EducationalServices/chemach/cssb/ll.html

Once physicists studying the structure of the atom began to realize that the electrons surrounding the nucleus had a special arrangement, chemists began to investigate how these theories corresponded to the known chemistry of the elements and their bonding abilities. Two Americans who were instrumental in developing a bonding theory based on the number of electrons in the outermost "valence" shell of the atom were Gilbert Newton Lewis (1875–1946) and Irving Langmuir (1881–1957). G. N. Lewis at his Desk. In 1902, while Lewis was trying to explain valence to his students, he depicted atoms as constructed of a concentric series of cubes with electrons at each corner. This "cubic atom" explained the eight groups in the periodic table and represented his theory that chemical bonds are formed by electron transference to give each atom a complete set of eight. In 1923 he redefined acids as any atom or molecule with an incomplete "octet" that were thus capable of accepting electrons from another atom; bases were, of course, electron donors. Lewis was also important in developing the field of thermodynamics and applying its laws to real chemical systems. At the end of the nineteenth century when he started working, the law of conservation of energy and other thermodynamic relations were known only as isolated equations. Lewis built on the work of another American pioneer in thermodynamics, Josiah Willard Gibbs (1839–1903) of Yale University, whose contributions were only slowly recognized. Their work was of immense value in predicting whether reactions will go almost to completion, reach an equilibrium, or proceed almost not at all, and whether a mixture of chemicals can be separated by distillation.

25. Irving Langmuir Winner Of The 1932 Nobel Prize In Chemistry irving langmuir, a Nobel Prize Laureate in Chemistry, at the Nobel Prize Internet Archive. irving langmuir. 1932 Nobel Laureate in Chemistry of langmuir( submitted by Reini Grauer) irving langmuir â Biography( submitted by Chinnappan Baskar) irving langmuir http://www.almaz.com/nobel/chemistry/1932a.html

I RVING L ANGMUIR 1932 Nobel Laureate in Chemistry for his discoveries and investigations in surface chemistry. Background 1881-1957 Residence: U.S.A. Affiliation: General Electric Co., Schenectady, NY Featured Internet Links Search WWW Search The Nobel Prize Internet Archive Links added by Nobel Internet Archive visitors bio at National Inventors Hall of Fame (submitted by Carmen Giunta Ge History of Langmuir (submitted by Reini Grauer Irving Langmuir – Biography (submitted by Chinnappan Baskar Irving Langmuir (submitted by Chinnappan Baskar Gilbert Newton Lewis (1875–1946) and Irving Langmuir (1881–1957) (submitted by Hendry Izaac Elim Irving Langmuir Photo (submitted by Thomas About Irving Langmuir (submitted by Thomas Irving Langmuir Prize in Chemical Physics (submitted by Davis) About Irving Langmuir (submitted by Davis) Irving Langmuir (1881 - 1957) (submitted by Johns) Back to The Nobel Prize Internet Archive Literature Peace Chemistry ... Medicine We always welcome your feedback and comments

26. Irving Langmuir Winner Of The 1932 Nobel Prize In Chemistry irving langmuir, a Nobel Prize Laureate in Chemistry, at the Nobel Prize InternetArchive. irving langmuir. irving langmuir (1881 1957) (submitted by Johns). http://almaz.com/nobel/chemistry/1932a.html

I RVING L ANGMUIR 1932 Nobel Laureate in Chemistry for his discoveries and investigations in surface chemistry. Background 1881-1957 Residence: U.S.A. Affiliation: General Electric Co., Schenectady, NY Featured Internet Links Search WWW Search The Nobel Prize Internet Archive Links added by Nobel Internet Archive visitors bio at National Inventors Hall of Fame (submitted by Carmen Giunta Ge History of Langmuir (submitted by Reini Grauer Irving Langmuir – Biography (submitted by Chinnappan Baskar Irving Langmuir (submitted by Chinnappan Baskar Gilbert Newton Lewis (1875–1946) and Irving Langmuir (1881–1957) (submitted by Hendry Izaac Elim Irving Langmuir Photo (submitted by Thomas About Irving Langmuir (submitted by Thomas Irving Langmuir Prize in Chemical Physics (submitted by Davis) About Irving Langmuir (submitted by Davis) Irving Langmuir (1881 - 1957) (submitted by Johns) Back to The Nobel Prize Internet Archive Literature Peace Chemistry ... Medicine We always welcome your feedback and comments

27. Langmuir Translate this page langmuir, irving (1881-1957), químico estadounidense conocido porsu trabajo en distintos campos de la química. langmuir nació http://www.geocities.com/fisicaquimica99/langmuir.htm

Langmuir, Irving (1881-1957), químico estadounidense conocido por su trabajo en distintos campos de la química. Langmuir nació en Brooklyn (Nueva York) y estudió en las universidades de Columbia y Gotinga. Desde 1932 hasta su jubilación en 1950, fue director adjunto del laboratorio de investigación de la General Electric Company. Trabajó en el desarrollo de las lámparas de tungsteno, en el aparato de descarga de electrones, en las bombas de vacío y en la soldadura de hidrógeno atómico. Langmuir y su colega estadounidense Gilbert Lewis desarrollaron una teoría de la interacción química y la valencia basada en la estructura del átomo, conocida como teoría de Langmuir-Lewis. La investigación de Langmuir en la física de las nubes le condujo a la estimulación artificial de la lluvia. Por su trabajo en películas monomoleculares y en química de superficies, fue galardonado en 1932 con el Premio Nobel de Química.

28. Invent Now | Hall Of Fame | Search | Inventor Profile irving langmuir. Born Jan 31 1881 Died Aug 16 1957. Incandescent Electric Lamp. Electric Lamp. Patent Number(s) 1 180 159. Inducted 1989 Inducted 1989. irving langmuir's work led to two major http://www.invent.org/hall_of_fame/92.html

Irving Langmuir Born Jan 31 1881 - Died Aug 16 1957 Incandescent Electric Lamp Electric Lamp Patent Number(s) 1,180,159 Inducted 1989 Irving Langmuir's work led to two major inventions: the high-vacuum electron tube and the gas-filled incandescent lamp. Invention Impact Inventor Bio Born in Brooklyn, New York, Langmuir was educated in the public schools of New York and Paris, France. He earned a B.S. from the Columbia University School of Mines and a Ph.D. in chemistry from the University of Gottingen in Germany, where he studied under Nobel laureate Walther Nernst. His first professional position was as an instructor of chemistry at Stevens Institute in Hoboken, New Jersey, from 1906 to 1909. From there he moved to the General Electric Research Laboratory in Schenectady, New York. What began as a summer job blossomed into a career with the company that lasted the rest of his life. While at G.E., Langmuir received 63 patents and was awarded the 1932 Nobel Prize for Chemistry, as well as numerous other honors. His initial research at General Electric involved low-pressure chemical reactions and the study of the emission of electrons by hot filaments in a vacuum. This work led directly to the invention of the high-vacuum electron tube in 1912 and the gas-filled incandescent lamp in 1913. Langmuir was responsible for many basic scientific discoveries which played a fundamental role in the development of commercial electrical products as well as in military and general scientific areas. His contributions to atomic theory and the understanding of atomic structure threw light upon the meaning of isotopes. His experiments with oil films on water resulted in the development of two-dimensional or surface chemistry.

29. Irving Langmuir --  Britannica Concise Encyclopedia Online Article Visit Britannica Store, Britannica Concise Encyclopedia, langmuir , irving BritannicaConcise. 16, 1957, Falmouth, Mass. irving langmuir. US physical chemist. http://www.britannica.com/ebc/article?eu=395016&query=electron&ct=gen1

30. Dr. Irving Langmuir Doctor irving langmuir. Nobel Laureate (1932). langmuir Laboratoryis named in honor of Dr. irving langmuir who, in 1932, was awarded http://www.ee.nmt.edu/~langmuir/doctor.html

Doctor Irving Langmuir Nobel Laureate (1932) Langmuir Laboratory is named in honor of Dr. Irving Langmuir who, in 1932, was awarded the Nobel Prize for his discoveries and investigations in surface chemistry. Dr. Langmuir was associated with General Electric Company's research laboratory from its formation in 1909 until his death in 1957. His studies significantly advanced knowledge of low pressure phenomena, heat transfer, electrical discharges, plasmas and their oscillations, nucleation of ice in clouds, rain formation and other areas of physics. Beginning in 1947, following key discoveries at the GE laboratory in 1946 by Vincent Schaefer and Bernard Vonnegut, Dr. Langmuir and the two scientists conducted intensive cloud and storm studies in the Socorro area. In 1975, Dr. Langmuir's son Kenneth made a generous bequest to Langmuir Laboratory of funds remaining in the estate of his father. Last updated 07 December 2001 by kieft@nmt.edu

31. Langmuir, Irving encyclopediaEncyclopedia langmuir, irving, lang myOOr PronunciationKey. Related content from HighBeam Research on irving langmuir. http://www.infoplease.com/cgi-bin/id/A0828813

HOTWORDS CITE PRINT EMAIL in All Infoplease Almanacs Biographies Dictionary Encyclopedia Home Almanacs Atlas Dictionary ... D-Day Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map Also from Infoplease Search Infoplease Info search tips Search Biographies Bio search tips Encyclopedia Langmuir, Irving OO r] Pronunciation Key Langmuir, Irving The Columbia Electronic Encyclopedia, Langley, Samuel Pierpont Lang, Pearl Related content from HighBeam Research on: Irving Langmuir Mexico Results Spur New Look at Rainmaking (The Washington Post) Probing the Phenomena Called Ghosts - Ghost Evidence and Pathological Science.(Brief Article) (World and I) Flashbacks. (Backstory).(Charlotte Bronte, Jules Verne, Mark Twain, Kurt Vonnegut, Adele Morales)(Brief Article) (Book) 3 Students Robbed (Newsday) Cutting the Glare (Technology Review) Strange But True: If the cloud is red, the Chinese shoot it RAIN-MAKING (The Sunday Telegraph) GOOD FOR YOU.(Lifestyles/Spotlight) (Rocky Mountain News (Denver, CO)) Vincent J. Schaefer, Created Cloud Seeding (Newsday) How to make it rain; Here is the weather forecast: scientists will create artificial showers, head off storms and prevent flooding. Roger Highfield reports.(Features)

32. Langmuir, Irving langmuir, irving (18811957). US scientist who invented the mercuryvapour pump for producing a high vacuum, and the atomic hydrogen http://www.cartage.org.lb/en/themes/Biographies/MainBiographies/L/Langmuir/1.htm

Langmuir, Irving US scientist who invented the mercury vapour pump for producing a high vacuum, and the atomic hydrogen welding process; he was also a pioneer of the thermionic valve. In 1932 he was awarded a Nobel prize for his work on surface chemistry. Langmuir's research on electric discharges in gases at very low pressures led to the discovery of the space-charge effect: the electron current between electrodes of any shape in vacuum is proportional to the 3/2 power of the potential difference between the electrodes. He also studied the mechanical and electrical properties of tungsten lamp filaments. Langmuir's introduction of nitrogen into light bulbs prevented them from blackening on the inside but increased heat loss, which was overcome by coiling the tungsten filament. Langmuir was the first to use the terms 'electrovalency' (for ionic bonds between metals and nonmetals) and 'covalency' (for shared-electron bonds between nonmetals). During the 1920s, Langmuir became particularly interested in the properties of liquid surfaces. He went on to propose his general adsorption theory for the effect of a solid surface during a chemical reaction.

33. Bedeutende Plasmaphysiker: Irving Langmuir Translate this page irving langmuir. 1881 - 1957, amerikanischer Chemiker und Physiker. irvinglangmuir wurde am 31. Januar 1881 in Brooklyn, New York geboren. http://www.dpg-fachgremien.de/p/informationen-dateien/plasmaphysiker/langmuir.ht

Irving Langmuir 1881 - 1957, amerikanischer Chemiker und Physiker Irving Langmuir wurde am 31. Januar 1881 in Brooklyn, New York geboren. Von frühester Kindheit an versuchten seine Eltern mit Erfolg, sein Interesse an der Naturwissenschaft zu wecken. Einen großen Einfluß auf den jungen Irving Langmuir hatte auch sein älterer Bruder Artur. Artur Langmuir war Chemiker und beantwortete mit Geduld alle Fragen des jüngeren Bruders zu einfachen naturwissenschaftlichen Problemen. Artur war es auch, der Irving dabei half, sein erstes Labor in einer Ecke seines Kinderzimmers aufzubauen. Im Jahre 1892 zog Familie Langmuir nach Paris. Das dortige Schulsystem war so traditionell und rigide, daß Irving bald die Freude an der Naturwissenschaft verlor. Nach der Rückkehr in die Vereinigten Staaten konnte allerdings ein Privatlehrer Langmuirs Begeisterung wieder wecken. Nach Beendigung der Schulzeit begann Langmuir ein Studium der Metallurgie, welches er mit Abschlüssen an der Pratt Institute's Manual Training High School in Brooklyn und der Columbia University erfolgreich beendete. Im Jahre 1903 ging Langmuir nach Deutschland, wo er in Göttingen unter Walter Nernst arbeitete. Dort schrieb er 1906 seine Doktorarbeit zum Verhalten von Gasen in der Nähe eines heißen Platindrahtes. Nach seiner Rückkehr nach Amerika arbeitete er zunächst als Chemielehrer in Hoboken, New Jersey, ging aber bald zu General Electric Co.. Die Freiheit in der Forschung, die ihm dort gewährt wurde, ermöglichte ihm zahlreiche Erfindungen, wie die Kondensations-Quecksilbervakuumpumpe, die

34. IRVING LANGMUIR Poulin. langmuir, irving». Encyclopédie Microsoft Encarta 97 CD-ROM. http://mendeleiev.cyberscol.qc.ca/chimisterie/9805/JCharron.html

IRVING LANGMUIR par Janelle Charron et Annick Poulin Biographie Impacts Bibliographie 1. Livres RICHARD, Marc. Notes de cours Sciences Physiques 416-430 , Module 1, Chapitre 4, 1997. 2. Disques optiques compacts 3. Documents dans W3 Dr. Irving Langmuir , [En ligne]. Adresse URL: http://www.ge.com/ibhisil.htm Irving Langmuir, Incandescent Electric Lamp , [En ligne]. Adresse URL: http://www.invent.org/book/book-text/66.html Irving Langmuir , [En ligne]. Adresse URL: http://www.nobel.se/laureates/chemistry-1932-1-bio.html Irving Langmuir , [En ligne]. Adresse URL: http://www.woodrow.org/teachers/chemistry/institutes/1992/Langmuir.html Research at Langmuir Laboratory , [En ligne]. Adresse URL: http://bat.nmt.edu/history.html#research Doctor Irving Langmuir , [En ligne]. Adresse URL: http://www.ee.nmt.edu/~langmuir/doctor.html Recherche : Janelle Charron et Annick Poulin, , Sherbrooke, QC Irving Langmuir Liste - Chimie et chimistes Chimisterie Les mondes de CyberScol CyberScol

35. MSN Encarta - Langmuir, Irving langmuir, irving. langmuir, irving (18811957), American chemist and Nobel laureate,known for his work in many phases of chemistry, theoretical and applied. http://encarta.msn.com/encyclopedia_761566961/Langmuir_Irving.html

MSN Home My MSN Hotmail Shopping ... Money Web Search: logoImg('http://sc.msn.com'); Encarta Subscriber Sign In Help Home ... Upgrade to Encarta Premium Search Encarta Subscription Article MSN Encarta Premium: Get this article, plus 60,000 other articles, an interactive atlas, dictionaries, thesaurus, articles from 100 leading magazines, homework tools, daily math help and more for $4.95/month or $29.95/year (plus applicable taxes.) Learn more. This article is exclusively available for MSN Encarta Premium Subscribers. Already a subscriber? Sign in above. Langmuir, Irving Langmuir, Irving (1881-1957), American chemist and Nobel laureate, known for his work in many phases of chemistry, theoretical and applied. Langmuir... Related Items role in history of meteorology theory of electron valence 2 items Multimedia 2 items Selected Web Links The Nobel Prize in Chemistry 1932 Irving Langmuir [National Inventors Hall of Fame] 2 items Want more Encarta? Become a subscriber today and gain access to: Daily Math Help Literature Guides Researcher Tools Paper-Writing Guides 60,000 + articles

36. Invent Now | Hall Of Fame | Search | Inventor Profile irving langmuir Born Jan 31 1881 Died Aug 16 1957 Incandescent Electric Lamp ElectricLamp Patent Number(s) 1,180,159 Inducted 1989 irving langmuir s work http://www.invent.org/hall_of_fame/1_1_6_detail.asp?vInventorID=92

37. Langmuir, Irving. The Columbia Encyclopedia, Sixth Edition. 2001 The Columbia Encyclopedia, Sixth Edition. 2001. langmuir, irving.(l ng´my r) (KEY) , 1881–1957, American chemist, b. Brooklyn http://www.bartleby.com/65/la/Langmuir.html

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38. Langmuir, Irving. The American Heritage® Dictionary Of The English Language: Fo langmuir, irving. The American Heritage® Dictionary of the English LanguageFourth Edition. 2000. 2000. langmuir, irving. SYLLABICATION Lang·muir. http://www.bartleby.com/61/6/L0040600.html

Select Search All Bartleby.com All Reference Columbia Encyclopedia World History Encyclopedia Cultural Literacy World Factbook Columbia Gazetteer American Heritage Coll. Dictionary Roget's Thesauri Roget's II: Thesaurus Roget's Int'l Thesaurus Quotations Bartlett's Quotations Columbia Quotations Simpson's Quotations Respectfully Quoted English Usage Modern Usage American English Fowler's King's English Strunk's Style Mencken's Language Cambridge History The King James Bible Oxford Shakespeare Gray's Anatomy Farmer's Cookbook Post's Etiquette Bulfinch's Mythology Frazer's Golden Bough All Verse Anthologies Dickinson, E. Eliot, T.S. Frost, R. Hopkins, G.M. Keats, J. Lawrence, D.H. Masters, E.L. Sandburg, C. Sassoon, S. Whitman, W. Wordsworth, W. Yeats, W.B. All Nonfiction Harvard Classics American Essays Einstein's Relativity Grant, U.S. Roosevelt, T. Wells's History Presidential Inaugurals All Fiction Shelf of Fiction Ghost Stories Short Stories Shaw, G.B. Stein, G. Stevenson, R.L. Wells, H.G. Reference American Heritage Dictionary Langley, Samuel Pierpoint ... BIBLIOGRAPHIC RECORD The American Heritage Dictionary of the English Language: Fourth Edition.

39. LookSmart - Directory - Irving Langmuir YOU ARE HERE Home Sciences Chemistry Chemists langmuir, irving. Join theZeal community and help build the irving langmuir Directory Category. http://search.looksmart.com/p/browse/us1/us317914/us263953/us330310/us331377/

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40. Biografia De Langmuir, Irving Translate this page langmuir, irving. (Brooklyn, 1881-Falmouth, 1957) Químico y físicoestadounidense. Elaboró una teoría sobre la catálisis por http://www.biografiasyvidas.com/biografia/l/langmuir.htm

Inicio Buscador Utilidades Recomendar sitio Enlaces Langmuir, Irving (Brooklyn, 1881-Falmouth, 1957) Químico y físico estadounidense. Elaboró una teoría sobre la catálisis por adsorción de gases en sólidos y estudió los gases inertes y su aplicación en la fabricación de lámparas de incandescencia. Ideó la balanza que lleva su nombre, que permite la determinación cuantitativa del valor de la tensión superficial. Impulsó la técnica de los tubos electrónicos y estudió la posibilidad de conseguir lluvia artificial (1946). Premio Nobel de química en 1932. Inicio Buscador Recomendar sitio

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