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Delwedd:Paul Ehrenfest.jpg

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Maint llawn ‎((465 × 659 picsel, maint y ffeil: 126 KB, ffurf MIME: image/jpeg))

Daw'r ffeil hon o Comin Wikimedia a gellir ei defnyddio gan brosiectau eraill. Dangosir isod y disgrifiad sydd ar dudalen ddisgrifio'r ffeil yno.

Disgrifiad Paul Ehrenfest
Dyddiad circa 1910
date QS:P,+1910-00-00T00:00:00Z/9,P1480,Q5727902
s (based on comparison with other pictures of Ehrenfest)
Ffynhonnell Portraits from the Dibner Library of the History of Science and Technology (reworked)
Awdur Unknown authorUnknown author
Caniatâd
(Ailddefnyddio'r ffeil hon)		 PD-US The MacTutor website states the following "We believe that most of the images are in the public domain and that provided you use them on a website you are unlikely to encounter any difficulty."
Diwygiadau eraill http://www-history.mcs.st-and.ac.uk/PictDisplay/Ehrenfest.html


Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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Dyddiad / AmserBawdlunHyd a lledDefnyddiwrSylw
cyfredol07:48, 30 Mehefin 2015Bawdlun y fersiwn am 07:48, 30 Mehefin 2015465 × 659 (126 KB)Materialscientistrotated
20:14, 25 Ebrill 2007Bawdlun y fersiwn am 20:14, 25 Ebrill 2007465 × 659 (62 KB)Abrevreworked (size adapted to resolution, distortions removed etc)
21:11, 14 Mai 2005Bawdlun y fersiwn am 21:11, 14 Mai 2005930 × 1,266 (104 KB)Stern~commonswiki*Title: ''Paul Ehrenfest'' *Year: unknown *Source: http://www.sil.si.edu/digitalcollections/hst/scientific-identity/explore.htm (reworked) *Licence: Public Domain

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