Hertz, Heinrich, - , German physicist, portrait, 19th century, ADDITIONAL-RIGHTS-CLEARANCE-INFO-NOT-AVAILABLE
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Photo credit: © INTERFOTO / Personalities / Alamy / Afripics
License: Licensed
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Keywords: centuryelectromagneticradiationsciencescientist, centuryelectromagneticradiationsciencescientistmalemanmenpeopleportrait, hertzheinrichgermanphysicistportrait19th