Which German was the first to satisfactorily demonstrate the existence of electromagnetic waves by building an apparatus to produce and detect VHF & UHF radio waves?
Heinrich Rudolf Hertz Hertzian antenna H. Hertz Heinrich Randolph Hertz Hertz oscillator Heinrich Hertz Hertz, Heinrich Rudolf Heinrich Rudolph Hertz
heinrich rudolf hertz heinrich hertz h hertz heinrich randolph hertz hertz oscillator hertz heinrich rudolf heinrich rudolph hertz hertzian antenna
heinrich rudolph hertz
WikipediaEntity
Heinrich Rudolph Hertz