21. Wilhelm Conrad Röntgen - Biography ROSAT (Röntgensatellit) was named in honor of wilhelm conrad Röntgen. The Kuratorium zur Förderung des Andenkens an wilhelm conrad Röntgen in Würzburg http://wave.xray.mpe.mpg.de/roentgen/biography

Search Home Preferences Help Wilhelm Conrad Röntgen Discoverer of X-Ray's Wilhelm Conrad Röntgen (b. March 27, 1845, Lennep, today part of Remscheid - d. February 10, 1923, Munich), German physicist, who was the recipient of the first Nobel Prize for Physics, in 1901, for his discovery of X-ray's. Röntgen was professor of physics at the universities of Hohenheim (1875), Straßburg (1876-79), Gießen (1879-88), Würzburg (1888-1900) und Munich (1900-20). His research also included work on specific heats of gases, absorption of heat by gases, capillary action of fluids, elasticity, conduction of heat in crystals, and piezoelectricity. On November 8, 1895, while experimenting with a cathode-ray tube, Röntgen observed a new kind of rays which travelled through paper, wood, and aluminum and which he called X-radiation, which also became known as Röntgen radiation. A detailed biography can be found at the Nobel Foundation ROSAT (Röntgensatellit) was named in honor of Wilhelm Conrad Röntgen. 1995 marked the 100th anniversary of his discovery of X-rays.

22. MSN Encarta - Search Results - Roentgen roentgen, wilhelm conrad ( The Nobel Foundation) wilhelm conrad roentgenQuick Facts ( Microsoft Corporation. All Rights Reserved. http://encarta.msn.com/Roentgen.html

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23. Wilhelm Conrad Roentgen roentgen or Röntgen, wilhelm conrad , 1845–1923, German physicist. roentgen,wilhelm conrad (The Columbia Encyclopedia, Sixth Edition) http://www.infoplease.com/ce6/people/A0842231.html

var zflag_nid="350"; var zflag_cid="44/43"; var zflag_sid="11"; var zflag_width="728"; var zflag_height="90"; var zflag_sz="14"; in All Infoplease Almanacs Biographies Dictionary Encyclopedia Daily Almanac for Sep 15, 2005 Skip Navigation Home Almanacs ... Word of the Day Editor's Favorites Back to School Hurricane Katrina Daylight Saving Time Hispanic Heritage Month ... Mississippi Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map College Center Scholarship Search College Resources Career Center Job Search Post Your Resume Continuing Ed. more . . . Search: Infoplease Info search tips Search: Biographies Bio search tips google_ad_client = 'pub-1894504138907931'; google_ad_width = 120; google_ad_height = 240; google_ad_format = '120x240_as'; google_ad_type = 'text'; google_ad_channel =''; google_color_border = ['336699','B4D0DC','DFF2FD','B0E0E6']; google_color_bg = ['FFFFFF','ECF8FF','DFF2FD','FFFFFF']; google_color_link = ['0000FF','0000CC','0000CC','000000']; google_color_url = ['008000','008000','008000','336699']; google_color_text = ['000000','6F6F6F','000000','333333']; Encyclopedia Roentgen or u n] Pronunciation Key Roentgen or See biography by W. R. Nitske (1971).

24. Wilhelm Conrad Roentgen roentgen or Röntgen, wilhelm conrad , 1845–1923, German physicist. His notableresearch in many More on wilhelm conrad roentgen from Fact Monster http://www.factmonster.com/ce6/people/A0842231.html

Home U.S. People Word Wise ... Homework Center Fact Monster Favorites Hurricane Katrina Children as Authors Children Inventors The Doctor's In ... 2006 TFK Almanac Reference Desk Atlas Almanacs Dictionary Encyclopedia ... Encyclopedia Roentgen or u n] Pronunciation Key Roentgen or See biography by W. R. Nitske (1971). The Columbia Electronic Encyclopedia, Page Tools: Cite Print More on Wilhelm Conrad Roentgen from Fact Monster: roentgenium - roentgenium, artificially produced radioactive chemical element; symbol Rg; at. no. 111; mass ... See more Encyclopedia articles on: Physics: Biographies AD AD AD ADS Business Cards Link to Fact Monster Add Fact Monster search ... Privacy Brought to you by: Information Please

25. Roentgen, Wilhelm Conrad. The Columbia Encyclopedia, Sixth Edition. 2001-05 roentgen, wilhelm conrad. The Columbia Encyclopedia, Sixth Edition. 200105. http://www.bartleby.com/65/ro/Roentgen.html

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26. Wilhelm Conrad Roentgen Translate this page wilhelm conrad roentgen Físico alemán y primer Premio Nobel de Física Nació el27 de marzo de 1845 en la aldea de Lennep, Renania. http://buscabiografias.com/cgi-bin/verbio.cgi?id=6268

27. Wilhelm Conrad Rontgen Winner Of The 1901 Nobel Prize In Physics wilhelm conrad Rontgen, a Nobel Prize Laureate in Physics, at the Nobel roentgen radioaktive Strahlen ( only in german/ nur in deutsch) (submitted by ? http://almaz.com/nobel/physics/1901a.html

W ILHELM C ONRAD R ÖNTGEN 1901 Nobel Laureate in Physics in recognition of the extraordinary services he has rendered by the discovery of the remarkable rays subsequently named after him. Background Residence: Germany Affiliation: Munich University Book Store Books on Rontgen Books about X rays Books about radiology Featured Internet Links Search WWW Search The Nobel Prize Internet Archive Nobel News Links Medicine Gained a New Way to See Links added by Nobel Internet Archive visitors Rontgen stamps (submitted by Jason Wong) Hundred years of X-rays: Industrial radiography 1895 paper first describing X-rays (English translation) (submitted by Carmen Giunta "The X-ray Century" (series of articles) (submitted by Carmen Giunta Roentgen Page of the Wurzburg University (submitted by Alfredo Buzzi Belgian Museum of Radiology Roentgen page of FH Wuerzburg Roentgen- radioaktive Strahlen ( only in german/ nur in deutsch) (submitted by ?) Roentgen- radioaktive Strahlen ( only in german/ nur in deutsch) (submitted by ?) daily news in radiophysics daily news in radiophysics (submitted by shrirang bhate) about radiation, physics, the cosmos a.s.o

28. Roentgen, Wilhelm Conrad - Columbia Encyclopedia® Article About Roentgen, Wilhe Columbia Encyclopedia® article about roentgen, wilhelm conrad. roentgen, wilhelmconrad. Information about roentgen, wilhelm conrad in the Columbia http://columbia.thefreedictionary.com/Roentgen, Wilhelm Conrad

Domain='thefreedictionary.com' word='Roentgen, Wilhelm Conrad' Your help is needed: American Red Cross The Salvation Army join mailing list webmaster tools Word (phrase): Word Starts with Ends with Definition subscription: Dictionary/ thesaurus Computing dictionary Medical dictionary Legal dictionary Financial dictionary Acronyms Columbia encyclopedia Wikipedia encyclopedia Hutchinson encyclopedia Roentgen, Wilhelm Conrad 0.03 sec. Page tools Printer friendly Cite / link Email Feedback Roentgen or Bibliography See biography by W. R. Nitske (1971). Mentioned in References in classic literature No references found No references found Columbia browser Full browser Roe v. Wade Roebling, John Augustus Roebuck, John Roehm, Ernst ... Roentgen ray Roentgen, Wilhelm Conrad roentgenium Roerich, Nicholas Konstantin Roermond Roeselare ... Roentgen Single-plane Stereophotogrammetric Analysis Roentgen, Wilhelm Conrad Roentgen-Gymnasium Wuerzburg (German high school) roentgenism Roentgenium Roentgenium ... Roentgens Word (phrase): Word Starts with Ends with Definition Free Tools: For surfers: Browser extension Word of the Day NEW!

29. Roentgenium - Columbia Encyclopedia® Article About Roentgenium roentgen Singleplane Stereophotogrammetric Analysis roentgen, wilhelm conrad roentgen-Gymnasium Wuerzburg (German high school) roentgenism http://columbia.thefreedictionary.com/roentgenium

Domain='thefreedictionary.com' word='roentgenium' Your help is needed: American Red Cross The Salvation Army join mailing list webmaster tools Word (phrase): Word Starts with Ends with Definition subscription: Dictionary/ thesaurus Computing dictionary Medical dictionary Legal dictionary Financial dictionary Acronyms Columbia encyclopedia Wikipedia encyclopedia Hutchinson encyclopedia roentgenium Also found in: Wikipedia Hutchinson 0.01 sec. Page tools Printer friendly Cite / link Email Feedback roentgenium, artificially produced radioactive chemical element; symbol Rg; at. no. 111; mass number of most stable isotope 272; m.p., b.p., sp. gr., and valence unknown. Situated in group Ib of the periodic table periodic table, chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley . In the periodic table the elements are arranged in columns and rows according to increasing atomic number (see the table entitled Periodic Table ). Click the link for more information. , it is expected to have properties similar to those of gold gold

30. Wilhelm Conrad Röntgen: Definition And Much More From Answers.com roentgen or Röntgen, wilhelm conrad (both rent gin, runt –, Ger. vil helm kôn rätrönt g?n) , 1845–1923, German physicist. His notable research in many http://www.answers.com/topic/wilhelm-conrad-r-ntgen

showHide_TellMeAbout2('false'); Business Entertainment Games Health ... More... On this page: Dictionary Encyclopedia Medical WordNet Wikipedia Mentioned In Or search: - The Web - Images - News - Blogs - Shopping Wilhelm Conrad R¶ntgen Dictionary Roent·gen rĕnt gən, -jən, rÅ­nt or R¶nt·gen rœnt gən Wilhelm Konrad German physicist who discovered x-rays and developed x-ray photography, revolutionizing medical diagnosis. He won a 1901 Nobel Prize. Encyclopedia Roentgen or R¶ntgen, Wilhelm Conrad both: rĕnt gÄ­n, rÅ­nt –, Ger. vÄ­l hĕlm k´n r¤t r¶nt gən ) , 1845–1923, German physicist. His notable research in many fields of physics, especially thermology, mechanics, and electricity, has been overshadowed by his discovery (1895) of a short-wave ray, the Roentgen ray, or X ray, for which he received the first Nobel Prize in Physics (1901). He taught at several German universities, including those at W¼rzburg (1888–99) and Munich (1899–1920). Bibliography See biography by W. R. Nitske (1971). Medical Roent·gen rĕnt gən, -jən, rÅ­nt

31. Wilhelm Conrad Röntgen wilhelm conrad Röntgen (18451923). On a New Kind of Rays. read before the WürzburgPhysical and Medical Society, 1895. Translated by Arthur Stanton, http://web.lemoyne.edu/~giunta/ROENTGEN.HTML

On a New Kind of Rays Nature (1) A discharge from a large induction coil is passed through a Hittorf's vacuum tube, or through a well-exhausted Crookes' or Lenard's tube. The tube is surrounded by a fairly close-fitting shield of black paper; it is then possible to see, in a completely darkened room, that paper covered on one side with barium platinocyanide lights up with brilliant fluorescence when brought into the neighborhood of the tube, whether the painted side or the other be turned towards the tube. The fluorescence is still visible at two metres distance. It is easy to show that the origin of the fluorescence lies within the vacuum tube. Water and several other fluids are very transparent. Hydrogen is not markedly more permeable than air. Plates of copper, silver, lead, gold, and platinum also allow the rays to pass, but only when the metal is thin. Platinum .2 mm. thick allows some rays to pass; silver and copper are more transparent. Lead 1.5 mm thick is practically opaque. If a square rod of wood 20 mm. in the side be painted on one face with white lead , it casts little shadow when it is so turned that the painted face is parallel to the X-rays, but a strong shadow if the rays have to pass through the painted side. The salts of the metals, either solid or in solution, behave generally as the metals themselves.

32. Wilhelm Conrad Röntgen - Wikipedia, The Free Encyclopedia Röntgen s name is usually given as roentgen in English, therefore most wilhelm conrad Rontgen The New Marvel in Photography, an article on and http://en.wikipedia.org/wiki/Wilhelm_Conrad_Röntgen

Wilhelm Conrad R¶ntgen From Wikipedia, the free encyclopedia. Wilhelm R¶ntgen Wilhelm Conrad R¶ntgen March 27 February 10 ) was a German physicist , of the University of W¼rzburg , who, on November 8 , produced wavelengths of electromagnetic radiation that are now known as x-rays or R¶ntgen Rays. The machine which R¶ntgen built to emit these rays, was the x-ray machine . R¶ntgen's name is usually given as Roentgen in English, therefore most scientific and medical references to him are found under this spelling. In the late afternoon of November 8 he determined to test his idea. He carefully constructed a black cardboard covering similar to the one he had used on the Lenard tube. He covered the Hifforf-Crookes tube with the cardboard and attached electrodes to a Ruhmkorff coil to generate an electrostatic charge. Before setting up the barium platinocyanide screen to test his idea, R¶ntgen darkened the room to test the opacity of his cardboard cover. As he passed the Ruhmkorff coil charge through the tube, he determined that the cover was light-tight and turned to prepare the next step of the experiment. It was at this point that he noticed a faint shimmering from a bench a meter away from the tube. To be sure he tried several more discharges and saw the same shimmering each time. Striking a match, he discovered the shimmering had come from the location of the barium platinocyanide screen he had been intending to use next. R¶ntgen spent the next several hours repeating the experiment again and again. He quickly determined that the screen would fluoresce at a distance from the tube much greater than his previous tests. He speculated that a new kind of ray might be responsible. Novermber 8 was a Friday and R¶ntgen took advantage of the weekend to repeat his experiments and make his first notes. In the following weeks he ate and slept in his laboratory as he investigated nearly all the properties of the new rays he temporarily termed

33. Wilhelm Conrad Röntgen - Wikipedia, The Free Encyclopedia wilhelm conrad roentgen (18451923), a German physicist, received wilhelm conrad roentgen (1845-1923), a German physicist, received the first NobelPrize for physics (1901) for his discovery of X rays. http://en.wikipedia.org/wiki/Wilhelm_Roentgen

Wilhelm Conrad R¶ntgen From Wikipedia, the free encyclopedia. (Redirected from Wilhelm Roentgen Wilhelm R¶ntgen Wilhelm Conrad R¶ntgen March 27 February 10 ) was a German physicist , of the University of W¼rzburg , who, on November 8 , produced wavelengths of electromagnetic radiation that are now known as x-rays or R¶ntgen Rays. The machine which R¶ntgen built to emit these rays, was the x-ray machine . R¶ntgen's name is usually given as Roentgen in English, therefore most scientific and medical references to him are found under this spelling. In the late afternoon of November 8 he determined to test his idea. He carefully constructed a black cardboard covering similar to the one he had used on the Lenard tube. He covered the Hifforf-Crookes tube with the cardboard and attached electrodes to a Ruhmkorff coil to generate an electrostatic charge. Before setting up the barium platinocyanide screen to test his idea, R¶ntgen darkened the room to test the opacity of his cardboard cover. As he passed the Ruhmkorff coil charge through the tube, he determined that the cover was light-tight and turned to prepare the next step of the experiment. It was at this point that he noticed a faint shimmering from a bench a meter away from the tube. To be sure he tried several more discharges and saw the same shimmering each time. Striking a match, he discovered the shimmering had come from the location of the barium platinocyanide screen he had been intending to use next. R¶ntgen spent the next several hours repeating the experiment again and again. He quickly determined that the screen would fluoresce at a distance from the tube much greater than his previous tests. He speculated that a new kind of ray might be responsible. Novermber 8 was a Friday and R¶ntgen took advantage of the weekend to repeat his experiments and make his first notes. In the following weeks he ate and slept in his laboratory as he investigated nearly all the properties of the new rays he temporarily termed

34. Wilhelm Conrad Roentgen The German physicist wilhelm conrad roentgen, b. Mar. 27, 1845, d. Feb. 10, 1923,discovered X rays, for which he received (1901) the first Nobel Prize for http://www.phy.hr/~dpaar/fizicari/xroentge.html

Wilhelm Conrad Roentgen The German physicist Wilhelm Conrad Roentgen, b. Mar. 27, 1845, d. Feb. 10, 1923, discovered X rays, for which he received (1901) the first Nobel Prize for physics. He observed (1895) that barium platinocyanide crystals across the room fluoresced whenever he turned on a Crooke's, or cathode-ray discharge, tube, even when the tube, an electron emitter, was shielded by black cardboard or thin metal sheets. Roentgen correctly hypothesized that a previously unknown form of radiation of very short wavelength was involved, and that these X rays (a term he coined) caused the crystals to glow. He later demonstrated the metallurgical and medical use of X rays.

35. Wilhelm Conrad Roentgen (Rentgen) wilhelm conrad roentgen (wym. Rentgen). Odkrywca promieni X, urodzil sie w 1845 r.w Lennep w Niemczech. W 1869 r. uzyskal doktorat na uniwersytecie w http://biografie.servis.pl/rentgen.php

Nauka i Edukacja w Science Servis - Polski Serwis Naukowy Imieniny: NAUKA Astronomia Biologia Chemia Fizyka ... Socjologia PODRÊCZNE Biografie Biblioteka Ciekawostki Cytaty ... Wynalazki INNE Katalog Stron Tapety SZUKAJ Web servis.pl Biografie Powrót do spisu Roentgen Wilhelm Conrad (wym. Rentgen)(1845-1923 r.) Wilhelm Conrad Roentgen, odkrywca promieni X, urodzi³ siê w 1845 r. w Lennep w Niemczech. W 1869 r. uzyska³ doktorat na uniwersytecie w Zurychu. Przez nastêpne dziewiêtna¶cie lat pracowa³ na paru uniwersytetach, zyskuj±c sobie stopniowo opiniê doskona³ego naukowca. W 1888 r. zosta³ profesorem fizyki i dyrektorem Instytutu Fizyki uniwersytetu w Wiirzburgu. W³a¶nie tam w 1895 r. Roentgen dokona³ odkrycia, które przynios³o mu s³awê. 8 listopada 1895 r. Roentgen prowadzi³ do¶wiadczenia nad promieniami katodowymi. Promienie katodowe to w istocie strumieñ elektronów powstaj±cy wtedy, gdy utrzymujemy wysokie napiêcie miêdzy dwoma elektrodami umieszczonymi w przeciwleg³ych koñcach zamkniêtej rury szklanej, z której usuniêto powietrze. Promienie katodowe s± raczej ma³o przenikliwe i nie przechodz± przez parocentymet-row± warstwê powietrza. W przeprowadzanym do¶wiadczeniu Roentgen owin±³ szklan± rurê grubym, czarnym papierem, tak ¿e nawet po w³±czeniu pr±du elektrycznego ¶wiat³o z rury nie przedostawa³o siê na zewn±trz. Kiedy Roentgen doprowadzi³ pr±d do elektrod, zobaczy³, ku swemu zdziwieniu, ¿e ekran fluorescencyjny le¿±cy obok na stole zaczyna ¶wieciæ, tak jakby pada³o nañ ¶wiat³o. Wy³±czy³ pr±d, a wówczas ekran (pokryty platynocyjankiem barowym, zwi±zkiem fluorescencyjnym) przesta³ ¶wieciæ. Roentgen bardzo szybko zda³ sobie sprawê, ¿e podczas przep³ywu pr±du powstaje w rurze jakie¶ niewidzialne promieniowanie. Ze wzglêdu na tajemnicz± naturê niewidzialnego promieniowania Roentgen nazwa³ je "promieniami X" ("X" jest zwykle stosowanym matematycznym symbolem na oznaczenie nieznanej wielko¶ci).

36. Röntgen, Wilhelm Conrad wilhelm conrad Röntgen and the Early History of the roentgen Rays (1933, W. Robert Nitske, The Life of wilhelm conrad Röntgen, Discoverer of the X http://www.britannica.com/nobel/micro/509_85.html

Historia-Photo Nobel Prize for Physics , in 1901, for his discovery of X rays , which heralded the age of modern physics and revolutionized diagnostic medicine. BIBLIOGRAPHY. Otto Glasser, (1933, reissued 1993; originally published in German, 1931), focuses on the scientific events of 1856. W. Robert Nitske, (1971), treats the personal and public aspects of his life.

37. Roentgen, Wilhelm --  Britannica Student Encyclopedia wilhelm conrad roentgen was born on March 27, 1845, in Lennep, Prussia. Educated inThe Netherlands and Switzerland, roentgen obtained his doctoral degree http://www.britannica.com/ebi/article-9276765

Home Browse Newsletters Store ... Subscribe Already a member? Log in This Article's Table of Contents Wilhelm Roentgen Print this Table of Contents Shopping Price: USD $1495 Revised, updated, and still unrivaled. The Official Scrabble Players Dictionary (Hardcover) Price: USD $15.95 The Scrabble player's bible on sale! Save 30%. Merriam-Webster's Collegiate Dictionary Price: USD $19.95 Save big on America's best-selling dictionary. Discounted 38%! More Britannica products Roentgen, Wilhelm Student Encyclopedia Article Page 1 of 1 Wilhelm Roentgen X Rays ). His achievement heralded the age of modern physics and transformed medical practice. Roentgen, Wilhelm... (75 of 248 words) var mm = [["Jan.","January"],["Feb.","February"],["Mar.","March"],["Apr.","April"],["May","May"],["June","June"],["July","July"],["Aug.","August"],["Sept.","September"],["Oct.","October"],["Nov.","November"],["Dec.","December"]]; To cite this page: MLA style: "Roentgen, Wilhelm."

38. AllRefer.com - Wilhelm Conrad Roentgen (Physics, Biography) - Encyclopedia AllRefer.com reference and encyclopedia resource provides complete informationon wilhelm conrad roentgen, Physics, Biographies. http://reference.allrefer.com/encyclopedia/R/Roentgen.html

AllRefer Channels :: Health Yellow Pages Reference Weather September 15, 2005 Medicine People Places History ... Maps Web AllRefer.com You are here : AllRefer.com Reference Encyclopedia Physics, Biographies ... Wilhelm Conrad Roentgen By Alphabet : Encyclopedia A-Z R Wilhelm Conrad Roentgen, Physics, Biographies Related Category: Physics, Biographies Wilhelm Conrad Roentgen u n] Pronunciation Key See biography by W. R. Nitske (1971). Topics that might be of interest to you: WUrzburg Related Categories: People Science and Technology Science and Technology Physics ... Biographies More articles from AllRefer Reference on Wilhelm Conrad Roentgen SITE MAPS Encyclopedia US Gazetteer: US States A-C US States D-H US States I-L US States M ... Countries A-Z Content on this web site is provided for informational purposes only. We accept no responsibility for any loss, injury or inconvenience sustained by any person resulting from information published on this site. We encourage you to verify any critical information with the relevant authorities. About Us Contact Us Privacy Links Directory ... Par Web Solutions Site best viewed in 800 x 600 resolution.

39. AllRefer.com - Wilhelm Conrad ROntgen (Physics, Biography) - Encyclopedia wilhelm conrad ROntgen see roentgen. The Columbia Electronic Encyclopedia Copyright Topics that might be of interest to you. • wilhelm conrad roentgen http://reference.allrefer.com/encyclopedia/X/X-Rontgen.html

AllRefer Channels :: Health Yellow Pages Reference Weather September 15, 2005 Medicine People Places History ... Maps Web AllRefer.com You are here : AllRefer.com Reference Encyclopedia Physics, Biographies ... Wilhelm Conrad ROntgen By Alphabet : Encyclopedia A-Z R Wilhelm Conrad ROntgen, Physics, Biographies Related Category: Physics, Biographies Wilhelm Conrad ROntgen see Roentgen Topics that might be of interest to you: Wilhelm Conrad Roentgen Related Categories: People Science and Technology Science and Technology Physics ... Biographies More articles from AllRefer Reference on Wilhelm Conrad Rontgen SITE MAPS Encyclopedia US Gazetteer: US States A-C US States D-H US States I-L US States M ... Countries A-Z Content on this web site is provided for informational purposes only. We accept no responsibility for any loss, injury or inconvenience sustained by any person resulting from information published on this site. We encourage you to verify any critical information with the relevant authorities. About Us Contact Us Privacy Links Directory ... Par Web Solutions Site best viewed in 800 x 600 resolution.

40. Making The Modern World - Wilhelm Conrad Roentgen (Röntgen) Home / wilhelm conrad roentgen (Röntgen). people wilhelm conrad roentgen (Röntgen).Born 27 March 1845, Lennep, Germany. Died 10 February 1923, Munich, http://www.makingthemodernworld.org.uk/people/BG.0193/

@import "/css/dom.css"; Page Navigation - Go to: site index start of page content links to related material About us ... Advanced search You may need to download the latest version of the Flash Player plugin to access all the features of Making the Modern World. Home / Wilhelm Conrad Roentgen (R¶ntgen) Wilhelm Conrad Roentgen (R¶ntgen) Born:  27 March 1845, Lennep, Germany Died:  10 February 1923, Munich, Germany © Science Museum/Science and Society Picture Library German physicist and discoverer of X-rays. In the early part of his career Roentgen built up a solid reputation as a physicist, but it was not until 1895, while he was rector of the University of Wurzburg, that he shot to fame with the discovery of X-rays. For this he was awarded the first Nobel Prize for Physics in 1901. Roentgen was alerted to the new phenomenon when he noticed that some barium platinocyanide crystals near a Crookes tube with which he was experimenting were fluorescing. Hundreds had used this apparatus before, some even observing phenomena such as fogged photographic plates, but all had ignored their observations. Roentgen spent the next six weeks in intense experimentation with the new rays. Towards the end of the year he took an X-ray photograph of his wife's hand, anticipating the significance of his find for modern medicine.

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