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	Philipp Lenard Summary
		Lenard made the interesting discovery that the velocity of electrons emitted during this process was affected by the wavelength of the incident light, and that an increase in that light's intensity increased the number of electrons emitted, but not their speed.
		Philipp Eduard Anton von Lenard, (Hungarian: Lénárd Fülöp) (June 7, 1862–May 20, 1947) was a physicist and the winner of the Nobel Prize for Physics in 1905 for his research on cathode rays and the discovery of many of their properties.
		Philipp Lenard was born in Bratislava (then as Pressburg part of the Austro-Hungarian Empire) on July 7, 1862, and he attended a Hungarian-language secondary school.
	www.bookrags.com /Philipp_Lenard (2543 words)

	Reference.com/Encyclopedia/Philipp Lenard
		Philipp Eduard Anton von Lénárd (June 7, 1862 in Preßburg, Austria-Hungary (today Bratislava, Slovakia)–May 20, 1947 in Messelhausen, Germany) was a Hungarian-German physicist and the winner of the Nobel Prize for Physics in 1905 for his research on cathode rays and the discovery of many of their properties.
		Philipp Lenard was born in Bratislava (then Austria-Hungary; now Slovakia) on July 7, 1862.
		Lenard is remembered today as a strong German nationalist who despised English physics, which he considered as having stolen their ideas from Germany.
	www.reference.com /browse/wiki/Philipp_Lenard (994 words)

	Philipp Eduard Anton von Lenard
		Philipp Eduard Anton von Lenard, in Hungarian Fülöp Lénárd (born in Bratislava on June 7, 1862 –; died May 20, 1947 in Messelhausen) was a physicist and the winner of the Nobel Prize for Physics in 1905 for his research on cathode rays and the discovery of many of their properties.
		Lenard studied under the illustrious Bunsen and Helmholtz, and obtained his doctoral degree in 1886 at the University of Heidelberg.
		Lenard is best remembered as an "experimentalist of genius" whose major contributions were in the study of cathode rays.
	www.mlahanas.de /Physics/Bios/PhilippLenard.html (699 words)

	Philipp Lenard -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-03)
		Lenard is best remembered as an "experimentalist of genius" whose major contributions were in the study of cathode rays.
		The rays were difficult to study because they were inside sealed glass tubes, difficult to access, and because the rays were in the presence of air molecules (fully evacuated tubes didn't produce rays).
		This much embittered Lenard, who became a prominent skeptic of relativity and of Einstein's theories generally.
	www.absoluteastronomy.com /encyclopedia/p/ph/philipp_lenard.htm (576 words)

	Philipp Lenard - ExampleProblems.com
		Philipp Lenard was born in Bratislava (then part of Hungary) on July 7, 1862.
		During the Nazi regime, he was the outspoken proponent of the idea that Germany should rely on "Deutsche Physik" ("Aryan physics") and ignore the (in his opinion) fallacious and perhaps deliberately misleading ideas of "Jewish physics", by which he meant chiefly the theories of Albert Einstein, including "the Jewish fraud" of relativity.
		The radiant energy was difficult to study because it was inside sealed glass tubes, difficult to access, and because the rays were in the presence of air molecules (fully evacuated tubes didn't produce rays).
	www.exampleproblems.com /wiki/index.php/Philipp_Lenard (768 words)

	ipedia.com: Philipp Lenard Article (Site not responding. Last check: 2007-11-03)
		Philipp Eduard Anton von Lenard was a German physicist and the winner of the Nobel Prize for Physics in 1905 for his research on cathode rays and the discovery of many of their properties.
		Philipp Eduard Anton von Lenard (June 7, 1862 – May 20, 1947) was a German physicist and the winner of the Nobel Prize for Physics in 1905 for his research on cathode rays and the discovery of many of their properties.
		It is hence sort of amusing to remark in this context the important role that Einstein's explanation of the photoelectric effect plays for appreciating the value of Lenard's work on cathode rays: without Einstein's theory demonstrating the importance of Lenard's observation, he might not have been awarded a Nobel prize.
	www.ipedia.com /philipp_lenard.html (272 words)

	Philipp Lenard \| THG Lexikon
		Lenard wurde 1862 als Sohn eines Tiroler Weinhändlers in Pressburg geboren.
		Philipp Lenard: Große Naturforscher: eine Geschichte der Naturforschung in Lebensbeschreibungen.
		Philipp Lenard, Ausgewählte Literaturnachweise, Berlin-Brandenburgische Akademie der Wissenschaften, Berlin 2002.
	www.thgweb.de /lexikon/Philipp_Lenard (1866 words)

	Highbeam Encyclopedia - Search Results for Eduard
		Bernstein, Eduard (1850–1932) As the leading revisionist thinker of the German Social Democratic Party, Bernstein sought to cleanse the party's ideology of what he regarded as its anachronistic Marxist assumptions and ideas.
		Lenard received the 1905 Nobel Prize in physics for his studies of cathode rays.
		The President's news conference with Chairman Eduard Shevardnadze of the Republic of Georgia.
	www.encyclopedia.com /SearchResults.aspx?Q=Eduard (612 words)

	Philipp Eduard Anton von Lenard - katodové paprsky \| životopis
		Philipp Eduard Anton von Lenard - katodové paprsky
		V roce 1895 se stal Lenard profesorem v Aix-la-Chapelle a v roce 1896 profesorem teoretické fyziky na universitě v Heidelbergu.
		Phillip von Lenard se věnoval výzkumu katodových paprsků, fotoelektrickému efektu, fosforescenci a luminiscenci.
	www.converter.cz /fyzici/lenard.htm (251 words)

	Lenard Philipp Eduard Anton - Search Results - MSN Encarta
		Lenard Philipp Eduard Anton - Search Results - MSN Encarta
		Lenard, Philipp Eduard Anton (1862-1947), German physicist and Nobel Prize winner.
		Lenard was awarded the 1905 Nobel Prize in physics for his...
	encarta.msn.com /Lenard_Philipp_Eduard_Anton.html (127 words)

	Philipp Lenard - Biography
		Lenard's first work was done in the field of mechanics, when he published a paper on the oscillation of precipitated water drops and allied problems and in 1894 he published the Principles of Mechanics left behind by Hertz.
		In the course of his work Lenard had, for the purpose of accelerating the speed of the electrons and measuring their energy, invented a photoelectric cell which was the first model of the "3-electrode lamp" which is so important today in radioelectric technique.
		Von Lenard, who was married to Katharina Schlehner, died on May 20, 1947 at Messelhausen.
	nobelprize.org /nobel_prizes/physics/laureates/1905/lenard-bio.html (875 words)

	The Photoelectric Effect
		Lenard set up an electric circuit with a gap consisting of two metalic surfaces facing each other through a vacuum.
		This was no real surprise, since Lenard knew that light was energy and that when energy is transferred to the electrons on one plate it could give them the energy boost they needed to allow them to escape one plate and travel across to the other.
		Lenard added a twist to his experiment by applying a resisting voltage across the gap between the plates.
	www.canadaconnects.ca /quantumphysics/quantumphysics/1008 (344 words)

	Photoelectric Effect
		Lenard used metal surfaces that were first cleaned and then held under a vacuum so that the effect might be studied on the metal alone and not be affected by any surface contaminants or oxidation.
		Lenard connected his photocell to a circuit with a variable power supply, voltmeter, and microammeter as shown in the schematic diagram above.
		What Lenard found was that the intensity of the incident light had no effect on the maximum kinetic energy of the photoelectrons.
	hypertextbook.com /physics/modern/photoelectric (2220 words)

	Lexikon Geschichte Baden+Württemberg: M (von Maier bis Murrhardt)
		Karl Wilhelm Marschall von Bieberstein, Absolvent der Hohen Karlsschule in Stuttgart, wurde 1792 Hof- und Regierungsrat beim Markgrafen Karl Friedrich von Baden in Karlsruhe.
		Meinloh von Sevelingen, über dessen Leben nichts Genaueres urkundlich belegt ist, ist wohl der älteste der schwäbischen Minnesänger und mittelhochdeutschen Lyriker.
		Dort werden sie in der Schlacht von Frankenhausen vom Landsknechtsheer der Fürsten völlig vernichtet.
	www.s-line.de /homepages/ebener/M.htm (3670 words)

	Lenard, Philipp Eduard Anton von
		Philipp von Lenard est né à Pozsony1 (Pressburg) en Hongrie le 7 juin 1862.
		Le premier travail de Lenard a été fait dans le champ (domaine) de mécanique, quand il a publié un papier sur l'oscillation de gouttes (baisses) précipitées d'eau et a allié avec des problèmes et en 1894 il a publié les Principes de Mécanique laissée (quittée) derrière par le Hertz.
		Von Lenard, que l'on s'est marié à Katharina Schlehner, mort le 20 mai 1947 à Messehausen.
	www.cartage.org.lb /fr/themes/Biographies/mainbiographie/L/Lenard/Lenard.htm (817 words)

	Highbeam Encyclopedia - Search Results for Philipp
		Phibro Animal Health Corporation and Philipp Brothers Netherlands III BV Extend Expiration Date of Exchange Offer for Units Consisting of Their 13% Senior Secured Notes Due 2007 until 5:00 p.m., New York City Time, on March 9, 2005.
		Philipp Schoch of Switzerland crashes prior to cross the finish...
		Philipp Schoch of Switzerland reacts during the Men's parallel...
	www.encyclopedia.com /SearchResults.aspx?Q=Philipp&StartAt=1 (805 words)

	Expt. V-7 Electrons from Bright Light
		Lenard was surprised to find that the stopping Voltage did not depend at all on the intensity of the light.
		Lenard then used different light colors and found that the maximum energy of the ejected electrons depends on the color with shorter wavelength, higher frequency light caused electrons to be ejected with more energy.
		Philipp Eduard Anton von Lenard, 1905 Nobel Prize for Physics
	homepage.mac.com /dtrapp/ePhysics.f/labV_7.html (1760 words)

	.::SRASR - Historia v.4.0::.
		V Bratislave medzi najvýznamnejších experimentátorov patrili : profesor matematiky a fyziky Virgil Klatt /1850 - 1933/, a jeho nadaný, a veľmi zanietený žiak Filip Lenard /7.6.1862 – 20.5.1947/.
		Od roku 1892 pracoval Lenard ako asistent profesora Hertza na univerzite v Bonne a od roku 1894 bol profesorom na univerzite vo Vroclavi.
		Phillip von Lenard sa venoval výskumu katódových lúčov, fotoelektrickému efektu, fosforescencii a luminiscencii.
	www.srasr.szm.sk /websrasr/historia.htm (1158 words)

	Uni Kiel – Philipp Eduard Anton Lenard
		Lenard hält die experimentelle Physik für eine »nordische Wissenschaft«, die dem »jüdischen Weltbluff« der theoretischen Physik überlegen sei.
		Nachdem Lenard 1930 in den Ruhestand getreten ist, beschäftigt er sich vornehmlich aus historischer Sicht mit der Entwicklung physikalischer Gesetze.
		Lenard, der bereits sein Heidelberger Institut zu einem »judenfreien« Zentrum der politischen Rechten gemacht hatte, gelangt zu nationalsozialistischen Ehren.
	www.uni-kiel.de /ps/cgi-bin/fo-bio.php?FID=3 (650 words)

	The Discovery of Electron
		He argued that m was small, citing Philipp Lenard, who had shown that the range of cathode rays in air (half a centimeter) was far larger than the mean free path of molecules (10-5 cm).
		Lenard was awarded the Nobel Prize in Physics in 1905 for studying the cathode rays.
		Lenard found out in 1902 that there was no relationship between the intensity of the light and the energy of the electrons emitted.
	scipp.ucsc.edu /~jheimann/mill/electron.htm (10512 words)

	Encyclopedia: Philipp Eduard Anton von Lenard (Site not responding. Last check: 2007-11-03)
		People who viewed "Philipp Eduard Anton von Lenard" also viewed:
		Philipp Eduard Anton von Lenard (born in Bratislava on June 7, 1862 –; died May 20, 1947 in Messelhausen) was a physicist and the winner of the Nobel Prize for Physics in 1905 for his research on cathode rays and the discovery of many of their properties.
		Lenard is remembered as a strong German nationalist who despised English physics, which he considered as having stolen their ideas from Germany.
	www.nationmaster.com /encyclopedia/Philipp-Eduard-Anton-von-Lenard (216 words)

	.::SRASR - Uber uns v.4.0::.
		Zu den bedeutendsten Experimentatoren in Bratislava gehörten Professor der Mathematik und Physik Virgil Klatt (1850-1933) und sein begabter Schüller Philip Eduard Anton von Lenard (7.6.1862 - 20.5.1947).
		Philip Eduard Anton von Lenard ist 1862 in Bratislava in der Familie einen Weinhändlers geboren.
		Lenard widmete sich der Erforschung von Kathodenstrahlen, dem Photoefekt, der Phosphoreszenz und Luminiszenz.
	www.srasr.szm.sk /websrasr/geschichte.htm (931 words)

	X-rays: The Unknown Glimmer
		Following a suggestion by Max von Laue (1879-1960) in 1912, the father and son team, Sir William Henry Bragg (1862-1942) and Sir William Lawrence Bragg (1890-1971), perfected the technique of measuring wavelength of X-rays using a crystal (say Nacl) as a diffraction grating.
		At the low pressures Crookes produced, the Geissler discharge disappeared and as the voltage was increased a new type of visible discharge appeared: a beam moving in straight lines from the cathode.
		Lenard saw intense, easily visible fluorescence of the ketone screens and intense flening of photographic plates, but "only for a distance in air of a few centimeters".
	www.vigyanprasar.gov.in /dream/mar2001/X-Rays.htm (8044 words)

	1905
		March 15 - Berthold Graf Schenk von Stauffenberg, lawyer and Nazi opponent (d.
		Chemistry - Johann Friedrich Wilhelm Adolf von Baeyer
		Peace - Baroness Bertha Sophie Felicita Von Suttner
	www.brainyencyclopedia.com /encyclopedia/1/19/1905.html (757 words)

	IL FISICO DELLA SETTIMANA
		L’annuncio della scoperta dei raggi X da parte di Röntgen, proprio usando un ‘tubo di Lenard’, lo irritò perché riteneva che senza la forzata interruzione delle sue ricerche sarebbe stato lui lo scopritore e sostenne con forza che avrebbe dovuto avere almeno un merito pari a Röntgen.
		Lenard tuttavia non accettò mai l’attribuzione ad Einstein della legge dell’effetto fotoelettrico.
		Si occupò anche della ionizzazione di gas per mezzo di luce ultravioletta (effetto Lenard), un ricordo dei suoi primi studi sulla elettrizzazione dell’acqua delle cascate.
	www.a-i-f.it /FISICI_2/fisico20.htm (1171 words)

	McGraw-Hill \| AccessScience Special Feature
		In 1902 Philipp E. von Lenard found that the total photoelectric current is proportional to the intensity of the light and also that the energy of the ejected electrons has a sharp upper value.
		However, attempts to explain the photoelectric effect on the basis of the wave theory of light failed.
		Lenard’s measurements were too crude to verify Einstein’s theory, but some years later Robert A. Millikan carried out meticulous experiments that confirmed Einstein’s prediction.
	www.accessscience.com /Newsletter/PhotoeffectEssay.html (1431 words)

	Enciclopedia - Philipp Lenard
		En 1903 consiguió hacer pasar los rayos de una válvula de vacío al aire libre a través de una delgada ventana metálica, rayos que recibieron el nombre de rayos de Lenard.
		Cuando dichos rayos (que son una mezcla de rayos catódicos y de los rayos emitidos por la placa metálica) se ponen en contacto con la atmósfera, producen fluorescencia y fosforescencia.
		También se recuerda a Lenard por ser un nacionalista radical que despreciaba a los físicos ingleses al considerar que habían robado sus ideas de los alemanes.
	www.enciclopedia.com /es/p/ph/philipp_lenard.php (258 words)

	Filip Lenard \| osobnosti.sk \| životopisy, diela, tvorba, články, linky
		Lenard na svojho učiteľa nikdy nezabudol a aj keď pôsobil v cudzine, často si s ním dopisoval.
		fotoelektrický jav objavil Lenard a Einstein dostal Nobelovu cenu (1921) za objasnenie fotónového charakteru svetla práve pomocou fotoelektrického javu.
		Zo zachovalej korešpondencie vyplýva, že Lenard bol v kontakte aj s ďalšími vtedajšími vedeckými kapacitami.
	osobnosti.sk /index.php?os=zivotopis&ID=58756 (913 words)

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