Heinrich Hertz
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Heinrich Rudolf Hertz was a German physicist who first conclusively proved the existence of the electromagnetic waves proposed by James Clerk Maxwell's equations of electromagnetism.
Hertz, c. 1890
One of Hertz's radio wave receivers: a loop antenna with an adjustable spark micrometer (bottom).
Memorial of Heinrich Hertz on the campus of the Karlsruhe Institute of Technology, which translates as At this site, Heinrich Hertz discovered electromagnetic waves in the years 1885–1889
Heinrich Hertz
Hermann von Helmholtz
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Hermann Ludwig Ferdinand von Helmholtz was a German physicist and physician who made significant contributions in several scientific fields, particularly hydrodynamic stability. The Helmholtz Associat
Heinrich Hertz
…learning Arabic. He studied sciences and engineering in the German cities of Dresden, Munich, and Berlin, where he studied under Gustav Kirchhoff and Hermann von Helmholtz. In 1880, Hertz obtained his Ph.D. from the University of Berlin, and for the next three years remained for post-doctoral study under Helmholtz, serving…
Hermann von Helmholtz
Helmholtz's polyphonic siren, Hunterian Museum, Glasgow
Helmholtz in 1848
1889 copy of Helmholtz's "Über die Erhaltung der Kraft", no. 1