Memorial for Heinrich Hertz on the campus of the University of Karlsruhe<br>
Translated inscription: <i>At this location Heinrich Hertz discovered electromagnetic waves in the years 1885-1889</i>
<a href="//commons.wikimedia.org/wiki/User:Kdkeller" title="User:Kdkeller">Klaus-Dieter Keller</a>
2007-10-28
<span class="int-own-work">Self-photographed</span>