Heinrich Rudolf Hertz

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Heinrich Hertz

Heinrich Rudolf Hertz (February 22, 1857 " January 1, 1894) was a German physicist who clarified and expanded the electromagnetic theory of light that had been put forth by Maxwell. Image Courtesy-hcdn1.sbnation.com

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Heinrich Hertz
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Heinrich Hertz

Heinrich Hertz was the first to send and receive radio waves. Image courtesy-outreach.atnf.csiro.au

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Heinrich Hertz
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Heinrich Hertz

James Clerk Maxwell had mathematically predicted their existence in 1864. Image courtesy-biography.com

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Heinrich Hertz
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Heinrich Hertz

Between 1885 and 1889, as a professor of physics at Karlsruhe Polytechnic, he produced electromagnetic waves in the laboratory and measured their wavelength and velocity. Image courtesy-sparkmuseum.com

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Heinrich Hertz
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Heinrich Hertz

He showed that the nature of their reflection and refraction was the same as those of light, confirming that light waves are electromagnetic radiation obeying the Maxwell equations. Image courtesy-peoplephysics.com

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Heinrich Hertz
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Heinrich Hertz

All of these findings were first published in the journal Annalen der Physik,(see below right) then in Hertz's first book, Untersuchungen Ueber Die Ausbreitung Der Elektrischen Kraft (Investigations on the Propagation of Electrical Energy), shown at right. Image courtesy-ion.uwinnipeg.ca

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Heinrich Hertz
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Heinrich Hertz

His book is considered to be one of the most important works of science. This is where he first describes his confirmation of the existence of electromagnetic waves. Image courtesy-compare.aliexpress.com

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Heinrich Hertz
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Heinrich Hertz

Annalen der Physik und Chemie is one of the oldest physics journals worldwide. The journal, still in publication today, publishes original papers in the areas of experimental, theoretical, applied and mathematical physics and related areas. Image courtesy-sparkmuseum.com

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Heinrich Hertz
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Heinrich Hertz

Hertz died at the young age of 36 on New Year's Day 1894. There is a lunar crater on the dark side of the Moon named after him. Image courtesy-greatdreams.com

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Heinrich Hertz
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Heinrich Hertz

Heinrich Hertz has been honored by a number of countries around the world in their postage issues and in post-World War II times has appeared on various German stamp issues as well. Image courtesy-wikimedia.com

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Heinrich Hertz
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