File:HEINRICH HERTZ.JPG

Original file (3,952 × 5,168 pixels, file size: 11.86 MB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

DescriptionHEINRICH HERTZ.JPG	English: Heinrich Rudolf Hertz (1857 - 1894), was a German physicist. Deutsch: Heinrich Rudolf Hertz (1857 - 1894), war ein deutscher Physiker.
Date	circa 1890 date QS:P,+1890-00-00T00:00:00Z/9,P1480,Q5727902
Source	Cabinetphotograph, Kabinettfotografie
Author	Robert Krewaldt, Kaiserplatz 16, Bonn

Reproduktion: Günter Josef Radig

	This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
	This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

PDMCreative Commons Public Domain Mark 1.0falsefalse

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Dimensions	User	Comment
current	00:14, 4 March 2026	3,952 × 5,168 (11.86 MB)	JayCubby	c:User:Rillke/bigChunkedUpload.js: retouch
	00:13, 4 March 2026	3,952 × 5,168 (3.51 MB)	JayCubby	c:User:Rillke/bigChunkedUpload.js: https://digitalesamlinger.kb.dk/images/billed/2010/okt/billeder/object149849/en/
	17:14, 20 June 2013	1,341 × 1,683 (368 KB)	GjR	{{Information \|Description={{en\|1=Heinrich Rudolf Hertz (1857 - 1894), was a German physicist.}} {{de\|1= Heinrich Rudolf Hertz (1857 - 1894), war ein deutscher Physiker.}} \|Source=Cabinetphotograph, Kabinettfotografie \|Author= Robert Krewaldt, Kais...