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
h hertz heinrich hertz heinrich rudolf hertz hertz heinrich rudolf hertzian antenna hertz oscillator heinrich rudolph hertz heinrich randolph hertz
heinrich rudolph hertz
WikipediaEntity
Heinrich Rudolph Hertz