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	Hendrik Antoon Lorentz
		Lorentz transformations explained the experiment of Michelson and Morley and described the shortening of length the increase in mass and dilation of time of a moving body moving at a speed close to the velocity of light.
		Lorentz is well-known for his suggested method of resolving the problems raised by the results of the experiments conducted by Albert Abraham Michelson (1852-1931) and Edward Williams Morley (1838-1923) in the 1880s to demonstrate the existence of hypothetical ether.
		Lorentz’s contributions to the growth of physics and his greatness as a human being were beautifully summarised by Albert Einstein in his message delivered at Leiden in 1953 on the occasion of commemorating of the one hundredth anniversary of the birth of Lorentz.
	www.vigyanprasar.gov.in /scientists/HAntoonLorentz.htm (1761 words)

	Hendrik A. Lorentz - Biography
		Hendrik Antoon Lorentz was born at Arnhem, The Netherlands, on July 18, 1853, as the son of nursery-owner Gerrit Frederik Lorentz and his wife née Geertruida van Ginkel.
		From Lorentz stems the conception of the electron; his view that his minute, electrically charged particle plays a rôle during electromagnetic phenomena in ponderable matter made it possible to apply the molecular theory to the theory of electricity, and to explain the behaviour of light waves passing through moving, transparent bodies.
		The so-called Lorentz transformation (1904) was based on the fact that electromagnetic forces between charges are subject to slight alterations due to their motion, resulting in a minute contraction in the size of moving bodies.
	nobelprize.org /nobel_prizes/physics/laureates/1902/lorentz-bio.html (1055 words)

	Hendrik Lorentz - Wikipedia, the free encyclopedia
		Hendrik Lorentz was born in Arnhem, Gelderland, son of Gerrit Frederik Lorentz (1822 – 1893), a shopkeeper, and Geertruida van Ginkel (1826 – 1861).
		Lorentz studied physics and mathematics at the University of Leiden, where he was strongly influenced by the teaching of astronomy professor Frederik Kaiser; it was his influence that led him to become a physicist.
		In 1881 Hendrik married Aletta Catharina Kaiser, niece of Frederik Kaiser.
	en.wikipedia.org /wiki/Hendrik_Lorentz (1938 words)

	Lorentz, Hendrik Antoon - HighBeam Encyclopedia (Site not responding. Last check: 2007-10-05)
		LORENTZ, HENDRIK ANTOON [Lorentz, Hendrik Antoon], 1853-1928, Dutch physicist, a pioneer in formulating the relations between electricity, magnetism, and light.
		He extended the hypothesis of G. Fitzgerald, an Irish physicist, that the length of a body contracts as its speed increases (see Lorentz contraction), and he formulated the Lorentz transformation, by which space and time coordinates of one moving system can be correlated with the known space and time coordinates of any other system.
		Lorentz also discovered (1880), simultaneously with L. Lorenz of the Univ. of Copenhagen, the relations (known as Lorentz-Lorenz relations) between the refraction of light and the density of a translucent body.
	www.encyclopedia.com /doc/1E1-lorentz.html (321 words)

	Hendrik Antoon Lorentz Biography \| Encyclopedia of World Biography
		Hendrik Antoon Lorentz, the son of Gerrit Frederik Lorentz and his wife, Geertruida van Ginkel, was born on July 18, 1853, in Aarnhem.
		In 1903 Lorentz derived the principle that electromagnetic and optical phenomena are independent of the velocity of the system in which they take place, as long as the velocity is smaller than the velocity of light.
		After the war Lorentz was president of the famous Solvay Conferences for physics, a telling evidence of his stature in a generation that produced a galaxy of geniuses in physics.
	www.bookrags.com /biography/hendrik-antoon-lorentz (871 words)

	Hendrik Lorentz
		Hendrik Antoon Lorentz (July 18, 1853, Arnhem –; February 4, 1928, Haarlem) was a Dutch physicist and the winner of the 1902 Nobel Prize in Physics for his work on electromagnetic radiation.
		Lorentz theorized that the atoms might consist of charged particles and suggested that the oscillations of these charged particles were the source of light.
		Lorentz was chairman of the first Solvay Conference held in Brussels in the autumn of 1911.
	www.mlahanas.de /Physics/Bios/HendrikLorentz.html (627 words)

	Hendrik Antoon Lorentz (Site not responding. Last check: 2007-10-05)
		Since it was generally believed that an electric current was made up of charged particles, Lorentz later theorized that the atoms of matter might also consist of charged particles and suggested that the oscillations of these charged particles (electrons) inside the atom were the source of light.
		Lorentz' electron theory was not, however, successful in explaining the negative results of the Michelson-Morley experiment, an effort to measure the velocity of the Earth through the hypothetical luminiferous ether by comparing the velocities of light from different directions.
		Lorentz arrived at the notion that moving bodies approaching the velocity of light contract in the direction of motion.
	physics.nobel.brainparad.com /hendrik_antoon_lorentz.html (431 words)

	Lorentz, Hendrik Antoon (1853-1928) -- from Eric Weisstein's World of Scientific Biography
		Lorentz, H. Versuch einer Theorie der elektrischen und optischen Erscheinungen in bewegten Körpern.
		Lorentz, H. The Theory of Electrons and Its Applications to the Phenomena of Light and Radiant Heat.
		Lorentz, H. A; Einstein, A.; Minkowski, H.; and Weyl, H. The Principle of Relativity: A Collection of Original Memoirs on the Special and General Theory of Relativity.
	scienceworld.wolfram.com /biography/Lorentz.html (227 words)

	Hendrik Antoon Lorentz Biography \| World of Mathematics
		Hendrik Antoon Lorentz was born in Arnhem, The Netherlands, on July 18, 1853.
		Young Hendrik was a bright child, interested in physical science and mathematics from an early age.
		Lorentz based his theory on the activity of electrons that reacted with each other through a stationary "ether." He successfully applied his theory to a previously unexplained phenomenon that Pieter Zeeman had observed: the change of spectral lines in a strong magnetic field.
	www.bookrags.com /biography/hendrik-antoon-lorentz-wom (622 words)

	[No title]
		Hendrik Antoon Lorentz was born in Arnheim, Holland in 1853.
		Lorentz also expounded the electron theory which assumed that the atoms of all 92 elements consisted of electrons arranged in different groupings and associated with a nucleus of opposite electrical charge.
		Lorentz predicted that electrons moving at high speeds should exhibit an increased mass and would undergo length contraction.
	www.softcom.net /users/greebo/einstein.htm (3527 words)

	Lorentz contraction — FactMonster.com
		Although the Lorentz contraction did not succeed entirely in reconciling the results of the Michelson-Morley experiment with classical theory, it did serve as the basis for the mathematics of Einstein's theory of relativity.
		The Lorentz transformation will result in a stationary observer recording an effect equivalent to the Lorentz contraction when observing an object in uniform motion relative to his system of coordinates.
		Hendrik Antoon Lorentz - Lorentz, Hendrik Antoon, 1853–1928, Dutch physicist, a pioneer in formulating the relations...
	www.factmonster.com /ce6/sci/A0830308.html (312 words)

	Teylers museum (Site not responding. Last check: 2007-10-05)
		The famous scientist Hendrik Antoon Lorentz (1853-1928) won the Nobel Prize for physics in 1902.
		At the time of his appointment Lorentz was at the height of his scientific career and was a central figure in the international community of physicists.
		The exhibition concentrates on Lorentz's work as well as that of a team of physicists selected by him, who were also connected to the Teyler laboratory.
	www.teylersmuseum.nl /site1995/engels/exposities/lorentz.html (117 words)

	Lorentz, Hendrik Antoon (Site not responding. Last check: 2007-10-05)
		Lorentz was appointed professor of mathematical physics at Leiden University in 1878.
		Lorentz later theorized that the atoms of matter might also consist of charged particles and suggested that the oscillations of these charged particles inside the atom were the source of light.
		In 1896 Zeeman, a pupil of Lorentz, demonstrated this phenomenon, known as the Zeeman effect, and in 1902 they were awarded the Nobel Prize for their efforts.
	www.phy.bg.ac.yu /web_projects/giants/lorentz.htm (388 words)

	Highbeam Encyclopedia - Search Results for Lorentz, (Site not responding. Last check: 2007-10-05)
		Lorentz contraction LORENTZ CONTRACTION [Lorentz contraction], in physics, contraction or foreshortening of a moving body in the direction of its motion, proposed by H. Lorentz on theoretical grounds and based on an earlier suggestion by G. Fitzgerald; it is sometimes called the Fitzgerald, or
		Lorentz, Hendrik Antoon LORENTZ, HENDRIK ANTOON [Lorentz, Hendrik Antoon], 1853-1928, Dutch physicist, a pioneer in formulating the relations between electricity, magnetism, and light.
		Zeeman effect ZEEMAN EFFECT [Zeeman effect] splitting of a single spectral line (see spectrum) into a group of closely spaced lines when the substance producing the single line is subjected to a uniform magnetic field.
	www.encyclopedia.com /SearchResults.aspx?Q=Lorentz, (500 words)

	Wilczek, Guth Win Awards For Physics Achievements
		Wilczek won the Lorentz Medal for his work in particle physics, and Guth won the Dirac Medal for his research into the expansion of the early universe.
		The award is in honor of Hendrik Antoon Lorentz who won the Nobel Prize in 1902 along with Pieter Zeeman.
		This year is a special one for the Lorentz Medal as it marks the hundredth anniversary of Lorentz winning the Nobel prize.
	www-tech.mit.edu /V122/N39/39physics.39n.html (709 words)

	The Lorentz (Site not responding. Last check: 2007-10-05)
		This contraction would be extremely small at ordinary velocities but significantly at super-velocites because it is the ration of velocity to that of the speed of light, 186,000 miles per second.
		This contraction was put into neat mathematival form and extended by Dutch physicist Hendrik Antoon Lorentz, hence the name Lorentz-Fitzgerald contraction.
		Lorentz went on to show that if the Fitzgerald contraction is appplied to subatomic particles carrying an electric charge, one could deduce that the mass of a body must increase with motion in just the same proportion as its length decreases.
	www.personal.psu.edu /ejt113/einstein/lorentz.htm (290 words)

	Hendrik Antoon Lorentz (Site not responding. Last check: 2007-10-05)
		Hendrik Antoon Lorentz (The Netherlands, 1853-1928) combined Newton's mechanical laws and Maxwell's electromagnetic laws to describe the motion of electrons.
		The results were peculiar, pointing to the need for a radical new theory.
		Without Lorentz, Einstein said, he would never have been able to discover special relativity.
	www.aip.org /history/einstein/ae19.htm (65 words)

	Lorentz picture poster portrait physics t shirts mug portraits posters physicist Hendrik Antoon Lorentz physicists mugs
		Lorentz picture poster portrait physics t shirts mug portraits posters physicist Hendrik Antoon Lorentz physicists mugs
		Hendrik Lorentz advanced the idea that the laws of nature were invariant to a change of co-ordinate systems, and that in consequence time and space must be seen on an equal footing - laying the basis for the theory of special relativity.
		Hendrik Antoon Lorentz picture poster portrait physics t shirts t shirt t-shirts t-shirt tshirts tshirt sweatshirt sweatshirts mug mugs portraits posters pictures physicists Lorentz physicist mug mugs
	www.mathematicianspictures.com /famousphysicists/Lorentz.htm (85 words)

	Hendrik Antoon Lorentz - Wikipedia (via CobWeb/3.1 planetlab2.isi.jhu.edu) (Site not responding. Last check: 2007-10-05)
		Lorentz heiratete 1881 Aletta Catharina Kaiser, deren Vater Johann Wilhelm Kaiser Professor an der Akademie der Schönen Künste und Direktor des Rijksmuseums in Amsterdam war.
		Hendrik Antoon Lorentz gilt als führende Persönlichkeit der theoretischen Physik seiner Zeit, der die elektromagnetische Theorie des Lichtes sowie die Elektronentheorie der Materie entwickelte und auch eine widerspruchsfreie Theorie von Elektrizität, Magnetismus und Licht formulierte.
		Lorentz wurde 1919 zum Leiter des Komitees ernannt, das im Rahmen der Planung der Zuiderzeewerke die Auswirkungen der Eindeichungsmaßnahmen auf den Wasserspiegel untersuchen sollte.
	de.wikipedia.org.cob-web.org:8888 /wiki/Hendrik_Antoon_Lorentz (485 words)

	Hendrik Antoon Lorentz Winner of the 1902 Nobel Prize in Physics (via CobWeb/3.1 planetlab2.isi.jhu.edu) (Site not responding. Last check: 2007-10-05)
		Hendrik Antoon Lorentz Winner of the 1902 Nobel Prize in Physics (via CobWeb/3.1 planetlab2.isi.jhu.edu)
		Hendrik A. Lorentz — Nobel Lecture (submitted by Thomas)
		Hendrik Antoon Lorentz biography in English (submitted by Ksenia)
	www.almaz.com.cob-web.org:8888 /nobel/physics/1902a.html (125 words)

	AllRefer.com - Hendrik Antoon Lorentz (Physics, Biography) - Encyclopedia
		You are here : AllRefer.com > Reference > Encyclopedia > Physics, Biographies > Hendrik Antoon Lorentz
		Hendrik Antoon Lorentz[hen´druk An´tOn lO´rents] Pronunciation Key, 1853–1928, Dutch physicist, a pioneer in formulating the relations between electricity, magnetism, and light.
		More articles from AllRefer Reference on Hendrik Antoon Lorentz
	reference.allrefer.com /encyclopedia/L/Lorentz.html (318 words)

	Hendrik Antoon Lorentz Winner of the 1902 Nobel Prize in Physics
		Hendrik Antoon Lorentz Winner of the 1902 Nobel Prize in Physics
		Nobel population 1901-50: anatomy of a scientific elite (submitted by Chinnappan Baskar)
		A brief history of Hendrik Antoon Lorentz (submitted by Hendry Izaac Elim)
	www.almaz.com /nobel/physics/1902a.html (122 words)

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