Checked content

File:Hendrik Antoon Lorentz.jpg

Description
English: Hendrik Lorentz, a Dutch physicist.
Date 1916; based on comparison with the dated painting at the Instituut-Lorentz by Menso Kamerlingh Onnes
Source http://th.physik.uni-frankfurt.de/~jr/physpictheo.html (moved from de:Bild:Hendrik Antoon Lorentz.jpg)
Author The website of the Royal Library shows a picture from the same photosession that is attributed to Museum Boerhaave. The website of the Museum states "vrij beschikbaar voor publicatie" (freely available for publication).
Permission
( Reusing this file)

PD-old


Licensing

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, 1923. See this page for further explanation.
United States
Dialog-warning.svg
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.
The following pages on Schools Wikipedia link to this image (list may be incomplete):

Background information

SOS Children has brought Wikipedia to the classroom. By supporting vulnerable children right through to adulthood, SOS Children makes a lasting difference to the lives of thousands of people. Education is a key part of our work, and our schools provide high-quality teaching to the children in our care. Sponsoring a child is the coolest way to help.