61. Nobel.html Winners of the nobel Prize in Chemistry. 1901 Jacobus chemistry. 1933No award. 1934 harold clayton urey Discovery of deuterium. 1935 http://server.ccl.net/cca/documents/dyoung/topics-framed/nobel.shtml

http://server.ccl.net/cca/documents/dyoung/topics-framed/nobel.shtml CCL nobel.html topics checkpoint.html chem_links.html compchem.html ... vib.html Winners of the Nobel Prize in Chemistry Jacobus Hendricus van't Hoff Chemical dynamics and osmotic pressure. Emil Hermann Fischer Work on carbohydrates and purines. Svante August Arrhenius Theory of electrolytic dissociation. Sir William Ramsay Discovery of helium, neon, xenon and krypton. Johann Friedrich Wilhelm Adolf von Baeyer Synthetic organic chemistry, particularily for the synthesis of indigo and triphenylmethane dyes. Preparing pure fluorine and developing the electric furnace (the Moissan furnace). Eduard Buchner Biochemical research including discovery of cell-less fermentation (fermentation in a test tube by extracting the active enzymes from yeast cells). Ernest Rutherford Study of radioactive substances. Friedrich Wilhelm Ostwald Work on catalysis, chemical equilibrium and reaction rates. Otto Wallach Work on alicyclic compounds. Marie Curie Chemistry of radioactive isotopes.

62. Urey, Harold C. -- Encyclopædia Britannica Online Article in full harold clayton urey American scientist awarded the nobel Prize for Chemistryin 1934 for his discovery of the heavy form of hydrogen known as deuterium http://search.britannica.com/eb/article?eu=76418&tocid=0&query=harold godwinsson

63. Nobel For Chemistry: All Laureates Debye 1935 Frédéric Joliot, Irène JoliotCurie 1934 harold clayton urey 1933The The nobel Prize A History of Genius, Controversy and Prestige by Burton http://www.popular-science.net/nobel/chem-list.html

NOBEL Read More on the Nobel Prize: Nobel Minds 2001 Awards John Nash Women Nobel Prize ... Prize Amounts MINI ALMANAC Calendar Moon phase Popular Science Highlights: IG Nobel 2002 The invention of :-) West Nile Virus Asteroid Impact? ... Book: Russell Read also: Nobel Prize Women in Science : Their Lives, Struggles, and Momentous Discoveries by Sharon Bertsch McGrayne THE NOBEL PRIZE FOR CHEMISTRY: ALL WINNERS 2001 William Knowles, K. Barry Sharpless, Ryoji Noyori 2000 Alan J. Heeger, Alan G. MacDiarmid, Hideki Shirakawa 1999 Ahmed H. Zewail 1998 Walter Kohn, John A. Pople 1997 Paul D. Boyer, John E. Walker, Jens C. Skou 1996 Robert F. Curl Jr., Sir Harold W. Kroto, Richard E. Smalley 1995 Paul J. Crutzen, Mario J. Molina, F. Sherwood Rowland 1994 George A. Olah 1993 Kary B. Mullis, Michael Smith 1992 Rudolph A. Marcus

64. GK- National Network Of Education Fischer, Hans, 1930. Bergius, Friedrich, 1931. Bosch, Carl, 1931. Langmuir, Irving,1932. urey, harold clayton, 1934. Joliot, Frederic, 1935. JoliotCurie, Irene,1935. http://www.indiaeducation.info/infomine/nobel/nobelarchive.htm

Associated Agencies Booker Prize Winners International Awards World Nations: Famous Industrial Town ... Nobel Prize Winners Nobel Prize Winners Chemistry Literature Medicine Peace ... Economics Chemistry Hoff, Jacobus Henricus Van't Fischer, Hermann Emil Arrhenius, Svante August Ramsay, Sir William Baeyer, Johann Friedrich Wilhelm Adolf Von Moissan, Henri Buchner, Eduard Rutherford, Lord Ernest Ostwald, Wilhelm Wallach, Otto Curie, Marie Sabatier, Paul Grignard, Victor Werner, Alfred Richards, Theodore William

65. Winners Of The Nobel Prize In Chemistry Winners of the nobel Prize in Chemistry. 1901 Jacobus chemistry. 1933No award. 1934 harold clayton urey Discovery of deuterium. 1935 http://www.ccl.net/cca/documents/dyoung/topics-orig/nobel.html

Winners of the Nobel Prize in Chemistry Jacobus Hendricus van't Hoff Chemical dynamics and osmotic pressure. Emil Hermann Fischer Work on carbohydrates and purines. Svante August Arrhenius Theory of electrolytic dissociation. Sir William Ramsay Discovery of helium, neon, xenon and krypton. Johann Friedrich Wilhelm Adolf von Baeyer Synthetic organic chemistry, particularily for the synthesis of indigo and triphenylmethane dyes. Preparing pure fluorine and developing the electric furnace (the Moissan furnace). Eduard Buchner Biochemical research including discovery of cell-less fermentation (fermentation in a test tube by extracting the active enzymes from yeast cells). Ernest Rutherford Study of radioactive substances. Friedrich Wilhelm Ostwald Work on catalysis, chemical equilibrium and reaction rates. Otto Wallach Work on alicyclic compounds. Marie Curie Chemistry of radioactive isotopes. Francois Auguste Victor Grignard Discovery of the Grignard reaction. also Paul Sabatier Study of metal catalysts and particularily the hydrogenation of unsaturated organic molecules. Alfred Werner Work in coordination chemistry.

66. Division Of Physical Sciences History of the Revelle Family. •harold clayton urey papers. •nobel eMuseum-Biography of harold clayton urey. •History of San Diego- extensive links. http://physicalsciences.ucsd.edu/history1.htm

Page Under Construction History Looking south toward La Jolla, 1909 Looking south toward La Jolla, 2002 Roger Revelle This page is currently under construction. The following links have useful information about the history of Revelle College and the University of California, San Diego: Revelle College Provost- Who is Roger Revelle? University of California History- Digital Archives University of California, San Diego- Revelle College History Scripps Institution of Oceanography Archives- Biography of Roger Revelle ... Webmaster: ljmoore@ucsd.edu

67. Prémios Nobel Translate this page . Prémios nobel de Química. 2002 - John B elementos radioactivos. 1934- harold clayton urey (EUA), pela descoberta do deutério. 1933 http://luisperna.com.sapo.pt/nobel_quimica.htm

Prémios Nobel de Química 2002 - John B. Fenn (EUA), Koichi Tanaka (Japão), e Kurt Wüthrich (Suíça), pela sua contribuição para o desenvolvimento da espectrometria de massa e ressonância magnética nuclear, métodos que permitem identificar e analisar macromoléculas biológicas, como as proteínas. Os trabalhos premiados permitiram desenvolver métodos analíticos que facilitam a compreensão das macromoléculas e a interacção destas, ou seja, basicamente aquilo que determina as funções das células do corpo humano e também revolucionaram o desenvolvimento de medicamentos e são promissores em outras áreas como, por exemplo, o controlo alimentar e o diagnóstico precoce de alguns tipos de cancro. William Knowles (E.U.A), Barry Sharpless (E.U.A), Ryoji Noyori (Japão), pela investigações na área da síntese catalítica assimétrica Alan J. Heeger (E.U.A), Alan G. MacDiarmid (E.U.A), Hideki Shirakawa (Japão), pela descoberta e desenvolvimento dos polímeros condutores. Ahmed H. Zewail

68. NOBEL KÝMYA ÖDÜLLERÝ nobel KIMYA ÖDÜLLERI. 1901. VAN’T HOFF, JACOBUS. HENRICUS. 1934. urey,harold clayton. ABD, Columbia Üniversitesi, New York, NY, d.1893, ö. 1981 http://www.tubitak.gov.tr/nobel/kimya-nodul.html

NOBEL KÝMYA ÖDÜLLERÝ VAN’T HOFF, JACOBUS HENRICUS Hollanda, Berlin Üniversitesi, Almanya, d. 1852, ö. 1911: “Kimyasal dinamiðin ve çözeltilerde ozmotik basýnçlarýn yasalarýný bularak saðladýðý üstün hizmetleri için” FISCHER, HERMANN EMIL Almanya, Berlin Üniversitesi, d. 1852, ö. 1919: “Þeker ve purin senteziyle ilgili çalýþmalarýyla verdiði üstün hizmetler için” ARRHENIUS, SVANTE AUGUST Ýsveç, Stokholm Üniversitesi, d. 1859, ö. 1927: “Çözünmenin elektrolitik kuramýný ortaya koyarak kimyanýn geliþmesine saðladýðý üstün hizmetler için” RAMSAY, Sir WILLIAM Ýngiltere, Londra Üniversitesi, d. 1852, ö. 1916: “Havadaki soy elementlerin keþfi ve bunlarýn periyodik tablodaki yerlerini saptayýþýyla verdiði üstün hizmetler için” VON BAEYER, JOHANN FRIEDRICH WILHELM ADOLF Almanya, Münih Üniversitesi, d. 1835, ö. 1917: “Organik boyalar ve hidroaromatik bileþikler konusundaki çalýþmalarýyla organik kimya ve kimya endüstrisinin geliþmesine saðladýðý üstün hizmetler için” MOISSAN, HENRI Fransa, Sorbonne Üniversitesi, Paris, d. 1852, ö. 1907: “Flor elementine iliþkin araþtýrmalarý, bu elementi ayrýþtýrýþý ve adýný taþýyan fýrýn ile ilgili çalýþmalarý için”

69. Nobel Prize Turns 100: How The Prize Changed Stanford's Winners :10/01 once overheard between two students at the University of Chicago One of them remarked,'I also have Professor harold clayton urey 1934 nobel laureate in http://news-service.stanford.edu/news/october3/nobelchanged1-103.html

Contact Stanford Report News Service Press Releases Stanford Report, October 3, 2001 How the prize changed Stanford's winners BY DAWN LEVY Caller: Hello? Osheroff: Yes? Caller: Am I speaking to Douglas Osheroff? Osheroff (annoyed): Yes. It's 2:30 in the morning. Caller: I know it is, but I have a very urgent message for you ... Osheroff: Yes? Caller: ... I am Carl-Olof Jacobson, the secretary general of the Royal Swedish Academy of Sciences, and I would like to congratulate you because the academy just decided that you, together with David Lee and Sir Robert Richardson, have been awarded the 1996 Nobel Prize in physics ... Osheroff: My goodness! Jacobson: ... for your discovery of superfluidity in helium-3. Osheroff (softer): My goodness. "I realized at that very moment that my life was changing," Stanford physicist Osheroff says of the call that came in the wee hours of Oct. 9, 1996. "I had really no idea what my new life was going to be like and how well I would like it. I was quite happy with my old life." How has the Nobel Prize changed Stanford winners' lives?

70. Urey urey. harold clayton urey American chemist. April 29, 1893 January5, 1981. nobel Prize 1934. urey was interested in the chemistry http://jchemed.chem.wisc.edu/JCESoft/Programs/PTL/Sample/CHEMISTS/urey.html

Urey Harold Clayton Urey: American chemist. April 29, 1893 - January 5, 1981. Nobel Prize 1934. Urey was interested in the chemistry of outer space and applied chemical analysis to meteorites; such analyses are the basis for cosmic abundances of the elements.

71. HyperDic, Online English Dictionary > Chemist Alfred nobel; Alfred Bernhard nobel; Norrish; Ronald Sir Alexander Robertus Todd;urey; harold urey; harold clayton urey; Wilkinson; Sir Geoffrey Wilkinson; Windaus; http://www.hyperdic.net/dic/c/chemist.shtml

HyperDic Words Help HyperDic is a hyper-dictionary of English , based on WordNet , a semantic web of English words. This version links 27462 word forms, while the full offline dictionary on CD-rom covers more than 120,000 entries. Advertisements: Promote your products advertize on hyperdic.net 1001 Magazines magazine subscriptions TV-shopping order tv-products online The word " chemist " has 2 different senses: Noun: person A scientist who specializes in chemistry. person A health professional trained in the art of preparing and dispensing drugs. Pronunciation: k eh1 m ih0 s t chemist Senses person Meaning: A scientist who specializes in chemistry. Broader: scientist man of science Narrower: biochemist nuclear chemist radiochemist Arrhenius Svante August Arrhenius Berzelius Jons Jakob Berzelius Black Joseph Black Boyle Robert Boyle Buchner Eduard Buchner Bunsen Robert Bunsen Robert Wilhelm Bunsen Calvin Melvin Calvin Carothers Wallace Carothers Wallace Hume Carothers Carver George Washington Carver Cavendish Henry Cavendish Crookes William Crookes Sir William Crookes Curie Marie Curie Madame Curie Marya Sklodowska Dalton John Dalton Davy Humphrey Davy Sir Humphrey Davy Dewar Sir James Dewar Eigen Manfred Eigen Faraday Michael Faraday Fischer Emil Hermann Fischer Fischer Hans Fischer Flory Paul John Flory Gay-Lussac Joseph Louis Gay-Lussac Gibbs Josiah Willard Gibbs Haber Fritz Haber Hahn Otto Hahn Hall Charles Martin Hall Hassel Odd Hassel Henry William Henry Hevesy George Charles Hevesy de Hevesy Heyrovsky Joroslav Heyrovsky Hodgkin Dorothy Hodgkin Dorothy Crowfoot Hodgkin

72. 20th Century Year By Year 1934 Detroit Tigers Series 43 nobel Prizes Chemistry urey, harold clayton, USA, ColumbiaUniversity, New York, NY, b. 1893, d. 1981 for his discovery of heavy http://www.multied.com/20th/1934.html

Major Event/ Sports Nobel Prizes Pulitzer Prizes ... Mao sets off on a long march Sports Highlights Stanley Cup: Chicago Blackhawks vs. Detroit Red Wings Series: 3-1 US Open Golf: Olin Dutra Score: 293 Course: Merion Cricket Club Location: Ardmore, PA World Cup Soccer: Italy vs. Czechoslovakia Score: 2-1 World Series: St. Louis Cardinals vs. Detroit Tigers Series: 4-3 Nobel Prizes Chemistry UREY, HAROLD CLAYTON, U.S.A., Columbia University, New York, NY, b. 1893, d. 1981: "for his discovery of heavy hydrogen" Literature PIRANDELLO, LUIGI, Italy, b. 1867, d. 1936: "for his bold and ingenious revival of dramatic and scenic art" Peace HENDERSON, ARTHUR, Great Britain, b. 1863, d. 1935: Former Foreign Secretary. Chairman of the League of Nations Disarmament Conference 1932-1934. Physiology or Medicine The prize was awarded jointly to: WHIPPLE, GEORGE HOYT, U.S.A., Rochester University, Rochester, NY, b. 1878, d. 1976; MINOT, GEORGE RICHARDS, U.S.A., Harvard University, Cambridge, MA, b. 1885, d. 1950; and MURPHY

73. Complete Quotations Of Authors Whose Names Start With U urey, harold claytonAmerican chemist, 1934 nobel laureate in Chemistry;he discovered Deuterium. * 04/29/1893 Walkerton,Ind., USA http://mpec.sc.mahidol.ac.th/preedeeporn/AuthorsU.HTM

Bio-/ Biblio-graphical Data of authors whose names start with U Unamuno, y Jugo de Miguel -Spanish scholar, philosopher * 29/09/1864 Bilbao + 31/12/1936 Salamanca, Spain REF: M. de Unamuno: "Del sentimento tragico de la vida", 1913, "Tragic Sense of Life (in Man and in Peoples), translated by J.E.Crawford Fletcher 1921, DOVER , p. 206, Chapter IX: "Faith, Hope, and Charity" Ibid. p. 3, Chapter I: "The Man of Flesh and Bone" Ibid. p. 197, Chapter IX: Faith, Hope and Charity> p. 3, Chapter 1: "The Man of Flesh and Bone" CONTINUUM , Vol. 4, No. 9, June 1982, p. 40 Ibid. Vol.3, No. 3, December 1980, p. 42 Ibid. p. 202, Chapter IX: Faith, Hope, and Charity" y: "Human Destiny", 1947 SIGNET MERIDIAN , p. 97 Unwin, Sir Stanley English Publisher REF: BURGESS , p. 23 'Books' Upanishad, Chandoyga REF: C. Upanishad:3.13.7? Upanishad, Mundaka REF: RUSSELLEARTH , p. 98 Epigraph to Chapter 7: "The skin-encapsulated ego" Updike, John -American writer, novelist, poet, dramatist, essayist * 1932 Shillington,Penn., USA REF: PENGUIN , 1984, p. 308

74. The Hindu : Nobel Laureates In Chemistry: Down Memory Lane Science Tech Previous Next nobel Laureates in chemistry Down memorylane. 1934 harold clayton urey for his discovery of heavy hydrogen. http://www.hinduonnet.com/thehindu/2001/10/18/stories/08180002.htm

Online edition of India's National Newspaper Thursday, October 18, 2001 Front Page National Southern States Other States ... Next Nobel Laureates in chemistry: Down memory lane 2001 WILLIAM S. KNOWLES, RYOJI NOYORI and K. BARRY SHARPLESS for developing catalytic asymmetric synthesis. The achievements are of great importance for the development of new drugs and materials.2000-1991 2000 ALAN J. HEEGER, ALAN G. MACDIARMID, and HIDEKI SHIRAKAWA for the discovery and development of conductive polymers. 1999 AHMED ZEWAIL for his research and studies of transition states of chemical reactions using femtosecond spectroscopy. 1998 WALTER KOHN for his development of the density-functional theory and JOHN A. POPLE for his development of computational methods in quantum chemistry. 1997 PAUL D. BOYER and JOHN E. WALKER for their elucidation of the enzymatic mechanism underlying the synthesis of adenosine triphosphate (ATP), and JENS C. SKOU for the first discovery of an ion-transporting enzyme, Na+, K+-ATPase. 1996 ROBERT F. CURL, Jr. , SIR HAROLD W. KROTO , and RICHARD E. SMALLEY for discovering fullerenes.

75. Free-Essays.us - Alfred Nobel In 1934 the American scientist harold clayton urey won the nobel Prize for chemistryfor his discovery of the heavy form of hydrogen known as deuterium. http://www.free-essays.us/dbase/d2/jai28.shtml

Can`t find essay here? Order custom written term paper. We offer high quality and quick writing for only $12.95 per page! Top 100 Essay Sites Top 50 Essay Sites Top 25 Essay Sites Quick Links: 1. GoldenEssays.com FreeEssays.cc Free-Essays-Free-Essays.com Essays.cc ... Can`t find essay here? Order custom written term paper. We offer high quality and quick writing for only $12.95 per page!

76. Untitled Document received more acclaim for his work than Dr. harold clayton urey. A member of theClass of 1911, urey became a renowned scientist who won the nobel Prize for http://www.kpcnews.net/special-sections/reflections3/reflections4.html

Kendallville graduate worked on Manhattan Project in World War II Dr. Harold C. Urey was Noble Prize winner in chemistry By TERRY HOUSHOLDER K ENDALLVILLE - No Kendallville High School graduate received more acclaim for his work than Dr. Harold Clayton Urey. A member of the Class of 1911, Urey became a renowned scientist who won the Nobel Prize for Chemistry in 1934. He later took part in the research leading to the production of the atomic bomb in World War II. Born April 29, 1893, in Walkerton, he was the son of the Rev. Samuel Clayton and Cora Rebecca (Reinoehl) Urey. His father, a teacher and minister, died when he was 6 years old. After attending an Amish grade school, Urey attended four years of high school in Kendallville. According to a high school classmate, the late Marguerite Cramer, as a boy Urey lived in the country near Corunna, but came to live with his uncle in Kendallville for a time so he could attend high school. Urey had a knack for learning, Mrs. Cramer said in a 1981 interview. His only academic honor prior to attending college was winning a $5 gold piece while attending Kendallville High School, for a speech about his boyhood idol, Theodore Roosevelt. After high school, Urey taught grade school in Noble County and rural Montana for three years before entering the University of Montana in 1914.

77. Géniesenherbe.org - Prix Nobel De Chimie Translate this page Le prix nobel de chimie est attribué par l'Académie royale des sciences de Suède,à Stockholm. Année, Récipiendaire. 1934, harold clayton urey (États-Unis). http://www.geniesenherbe.org/theorie/prix/nobchem.html

Lauréats du prix Nobel de chimie Le prix Nobel de chimie est attribué par l'Académie royale des sciences de Suède, à Stockholm. Année Récipiendaire Jacobus Henricus van't Hoff (Pays-Bas) Hermann Emil Fischer (Allemagne) Svante August Arrhenius (Suède) sir William Ramsay (Grande-Bretagne) Johann Friedrich Wilhelm Adolf von Baeyer (Allemagne) Henri Moisan (France) Eduard Buchner (Allemagne) lord Ernest Rutherford (Grande-Bretagne) Wilhelm Ostwald (Allemagne) Otto Wallach (Allemagne) Marie Curie , née Sklodowska (France) Victor Grignard (France) et Paul Sabatier (France) Alfred Werner (Suisse) Theodore William Richards (États-Unis) Richard Martin Willstätter (Allemagne) NON ATTRIBUÉ NON ATTRIBUÉ Fritz Haber (Allemagne) NON ATTRIBUÉ Walther Hermann Nernst (Allemagne) Frederick Soddy (Grande-Bretagne) Francis William Aston (Grande-Bretagne) Fritz Pregl (Autriche) NON ATTRIBUÉ Richard Adolf Zsigmondy (Autriche) Theodor Svedberg (Suède) Heinrich Otto Wieland (Allemagne) Adolf Otto Reinhold Windaus (Allemagne) sir Arthur Harden (Grande-Bretagne) et Hans Karl August Simon On Euler-Chelpin , (Suède) Hans Fischer (Allemagne) Carl Bosch et Friedrich Bergius (Allemagne) Irving Langmuir (États-Unis) NON ATTRIBUÉ Harold Clayton Urey (États-Unis) Jean-Frédéric Joliot (France) et Irène Joliot-Curie (France) Petrus Josephus Wilhelmus Debye (Pays-Bas) Walter Norman Haworth (Grande-Bretagne) Richard Kuhn (Allemagne) Adolf Friedrich Johann Butenandt (Allemagne) et Leopold Ruzicka (Suisse) NON ATTRIBUÉ NON ATTRIBUÉ NON ATTRIBUÉ Georg Hevesy de Heves (Suède) Otto Hahn (Allemagne) Artturi Ilmari

78. A Brief Early History Of Stable Isotope ( urey and coworkers discover deuterium. urey, HC, Brickwedde and Murphy, Phys. Rev.40, 1. 1934. harold clayton urey wins nobel Prize and Jim O’Neil born. 1938. http://epswww.unm.edu/facstaff/zsharp/505/abrief.htm

A Brief Early History of Stable Isotope (Geo)Chemistry . The term isotope introducecd by Soddy. Soddy, F. (1913) The radioelements and the periodic law. Chem. News. Urey says that it was Fayans and Soddy (1911) . The first demonstration that isotopes exist in nature. Thomson, J.J. (1913) The appearance of helium and neon in vacuum tubes. Nature. . Oxygen isotopes ( O and O) discovered in atmospheric O Giauque, W. F. and H. L. Johnston (1929). An isotope of oxygen of mass 17 in the Earth's atmosphere. Nature 123: 831. Giauque, W. F. and H. L. Johnston (1929) An isotope of oxygen, mass 18. Jour. Amer. Chem. Soc. . Urey and coworkers discover deuterium Urey, H.C., Brickwedde and Murphy, Phys. Rev. 40, 1. Mildred Cohn develops CO -H O exchange technique for oxygen isotope analysis of water. Cohn, M. and Urey, H.C. (1938) Oxygen exchange reactions of organic compounds and water. J. Amer. Chem. Soc. Late 1930s . The general idea of hydrogen and oxygen isotope variations in the hydrologic cycle worked out. Density measurements. Dole, M. and R. L. Slobod (1940). "Isotopic composition of oxygen in carbonate rocks and iron oxide ores." Journal of the American Chemical Society 62: 471-.

79. The Nobel Prize Debye) 1935 (Frédéric JoliotCurie), ? (IrèneJoliot-Curie) 1934 ? (harold clayton urey) 1933 ? http://home.megapass.co.kr/~jayleen/chemi/chemi-index.htm

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80. Urey, Harold (1893-1981) -- From Eric Weisstein's World Of Scientific Biography urey, harold (18931981), hydrogen lines, amounting to the discovery of deuterium,or heavy hydrogen, for which urey was awarded in 1934 nobel Prize in http://scienceworld.wolfram.com/biography/Urey.html

Branch of Science Chemists Nationality American ... Barran Urey, Harold (1893-1981) Portions of this entry contributed by Michel Barran American physical chemist, geophysicist and cosmochemist who was a student at the University of Montana (1914-1917), then at University of California at Berkeley (where he received his Ph.D. in physical chemistry 1923) and Copenhagen from 1923-1924, where he studied atomic physics with Niels Bohr . He begin his teaching career at Johns Hopkins University as an instructor in the chemistry department (1924-1929), and became a pioneer in the application of quantum mechanics to chemistry. In 1929, he moved to Colombia University and was appointed associate professor (1929-1934), then full professor (1934-1945). From 1933 to 1940, he was editor of the Journal of Chemical Physics. In 1931, with F. Brickwedde and G. Murphy, Urey evaporated four liters of hydrogen down to one millimeter and then measured the spectrum of the remainder. The result was a set of lines displaced slightly from the hydrogen lines, amounting to the discovery of deuterium or heavy hydrogen, for which Urey was awarded in 1934 Nobel Prize in chemistry and had a significant influence on chemistry, physics and medicine. During the 1930s, Urey's group separated isotopes of oxygen, carbon, nitrogen and sulphur, and worked on medical and biological applications of isotopes.

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