94.34.40.25: /* Equivalent properties and examples */

2013-11-16T17:46:36Z

Equivalent properties and examples

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	~~Hello~~ and ~~welcome~~. My title ~~is Numbers Wunder~~. ~~Hiring is her~~ working ~~day job now but she~~'s ~~always needed her own company~~. ~~Her spouse~~ and ~~her live~~ in ~~Puerto Rico but she will have to transfer 1 day~~ or ~~another~~. ~~To gather cash~~ is a ~~factor that I~~'~~m completely addicted to.~~<br><br>~~Here~~ is ~~my webpage~~ - [http://~~boom~~.vn.ae/~~space~~.~~php?uid~~=~~4517&do~~=~~blog&id~~=~~7155 boom~~.vn.ae]		{{Infobox scientist
			\| name = Clinton Joseph Davisson
			\| image = Clinton Davisson.jpg
			\| caption = Davisson
			\| birth_date = {{birth date\|mf=yes\|1881\|10\|22}}
			\| birth_place = [[Bloomington, Illinois]], USA
			\| death_date = {{death date and age\|mf=yes\|1958\|02\|01\|1881\|10\|22}}
			\| death_place = [[Charlottesville, Virginia]], USA
			\| nationality = United States
			\| field = [[Physics]]
			\| work_institutions = [[Princeton University]]<br>[[Carnegie Institute of Technology]]<br>[[Bell Labs]]
			\| alma_mater = [[University of Chicago]]<br>[[Princeton University]]
			\| doctoral_advisor = [[Owen Richardson]]
			\| doctoral_students =
			\| known_for = [[Electron diffraction]]
			\| influenced = Joseph A. Becker<br>[[William Shockley]]
			\| prizes = [[Comstock Prize in Physics]] (1928)<ref name=Comstock>{{cite web\|title=Comstock Prize in Physics\|url=http://www.nasonline.org/site/PageServer?pagename=AWARDS_comstock\|publisher=National Academy of Sciences\|accessdate=13 February 2011}}</ref><br>[[Elliott Cresson Medal]] (1931)<br> {{nowrap\|[[Nobel Prize in Physics]] (1937)}}
			\| footnotes =
			}}

			'''Clinton Joseph Davisson''' (October 22, 1881 – February 1, 1958), was an American [[physics\|physicist]] who won the 1937 [[Nobel Prize in Physics]] for his discovery of [[electron diffraction]]. Davisson shared the Nobel Prize with [[George Paget Thomson]], who independently discovered electron diffraction at about the same time as Davisson.

			==Biography==
			===Early years===
			Davisson was born in [[Bloomington, Illinois]]. He graduated from Bloomington High School in 1902, and entered the [[University of Chicago]] on scholarship. Upon the recommendation of [[Robert A. Millikan]], in 1905 Davisson was hired by [[Princeton University]] as Instructor of Physics. He completed the requirements for his B.S. degree from Chicago in 1908, mainly by working in the summers. While teaching at Princeton, he did doctoral thesis research with [[Owen Richardson]]. He received his Ph.D. in physics from Princeton in 1911; in the same year he married Richardson's sister, Charlotte.<ref name="Kelly">{{cite book \|last=Kelly \|first=Mervin J. \|year=1962 \|chapter=Clinton Joseph Davisson 1881–1958 \|url=http://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/davisson-clinton.pdf \|title=Biographical Memoirs, Vol. XXXVI \|publisher=US National Academy of Sciences \|pages=51–84 \|accessdate=2012-12-14 \|oclc=20727455}}</ref><ref>{{cite web \| author=Nobel Foundation \| title=Clinton Joseph Davisson: The Nobel Prize in Physics 1937 \| url=http://www.nobel.se/physics/laureates/1937/davisson-bio.html \| work=Les Prix Nobel \| publisher= \| year=1937 \| accessdate=2007-09-17}}</ref>

			===Career===
			Davisson was then appointed as an assistant professor at the [[Carnegie Institute of Technology]]. In 1917 he took a leave from the Carnegie Institute to do war-related research with the Engineering Department of the [[Western Electric Company]] (later [[Bell Telephone Laboratories]]). At the end of the war, Davisson accepted a permanent position at Western Electric after receiving assurances of his freedom there to do basic research. He had found that his teaching responsibilities at the Carnegie Institute largely precluded him from doing research.<ref name="Kelly" /> Davisson remained at Western Electric (and Bell Telephone) until his formal retirement in 1946. He then accepted a research professor appointment at the [[University of Virginia]] that continued until his second retirement in 1954.<ref name="Kelly" />

			; Electron Diffraction and the Davisson-Germer Experiment
			[[Diffraction]] is a characteristic effect when a wave is incident upon an aperture or a [[diffraction grating\|grating]], and is closely associated with the meaning of wave motion itself. In the 19th Century, diffraction was well established for light and for ripples on the surfaces of fluids. In 1927, while working for [[Bell Labs]], Davisson and [[Lester Germer]] performed an experiment showing that electrons were [[diffraction\|diffracted]] at the surface of a crystal of nickel. This celebrated [[Davisson-Germer experiment]] confirmed the [[Matter wave\|de Broglie hypothesis]] that particles of matter have a wave-like nature, which is a central tenet of [[quantum mechanics]]. In particular, their observation of diffraction allowed the first measurement of a [[wavelength]] for [[electron]]s. The measured wavelength <math>\lambda</math> agreed well with de Broglie's equation <math>\lambda = h/p</math>, where <math> h </math> is [[Planck's constant]] and <math> p </math> is the electron's [[momentum]].<ref>{{cite book \| last=Davisson \| first=Clinton \| chapter=The Discovery of Electron Waves \| title=Nobel Lectures, Physics 1922-1941 \| url=http://nobelprize.org/nobel_prizes/physics/laureates/1937/davisson-lecture.html \| location=Amsterdam \| publisher=Elsevier Publishing Company \| year=1965 \| isbn= \| accessdate=2007-09-17}}</ref>

			===Personal life===
			Clinton and Charlotte Davisson (d.1984) had four children, including the American physicist [[Richard Davisson]]. The crater [[Davisson (crater)\|Davisson]] on the Moon is named after him.

			==See also==
			{{Portal\|Biography}}
			{{wikiquote}}
			* [http://nobelprize.org/nobel_prizes/physics/laureates/1937/davisson-bio.html Nobelprize.org Biography]

			==References==
			{{Commons category\|Clinton Davisson}}
			{{reflist}}

			{{Nobel Prize in Physics Laureates 1926-1950}}

			{{Authority control\|VIAF=41110969}}
			{{Persondata <!-- Metadata: see [[Wikipedia:Persondata]]. -->
			\| NAME = Davisson, Clinton Joseph
			\| ALTERNATIVE NAMES =
			\| SHORT DESCRIPTION = Physicist
			\| DATE OF BIRTH = October 22, 1881
			\| PLACE OF BIRTH = [[Bloomington, Illinois]], USA
			\| DATE OF DEATH = February 1, 1958
			\| PLACE OF DEATH = [[Charlottesville, Virginia]], USA
			}}
			{{DEFAULTSORT:Davisson, Clinton Joseph}}
			[[Category:1881 births]]
			[[Category:1958 deaths]]
			[[Category:Experimental physicists]]
			[[Category:American Nobel laureates]]
			[[Category:Nobel laureates in Physics]]
			[[Category:Scientists at Bell Labs]]
			[[Category:People from Bloomington, Illinois]]
			[[Category:National Academy of Sciences laureates]]
			[[Category:Elliott Cresson Medal recipients]]
			[[Category:Winners of the Comstock Prize in Physics]]

en>MathKnight: /* See also */ +he:

2012-05-23T18:32:56Z

Normal extension - Revision history

94.34.40.25: /* Equivalent properties and examples */

en>MathKnight: /* See also */ +he: