A Brief History Of the Photoelectric Effect: Einstein's 1921 Nobel prize
Heinrich Hertz | Standing on the Shoulders of Giants
Heinrich Hertz radio waves experiment - The discovery of radio waves
Heinrich Hertz - About Him And His Life
Heinrich Rudolf Hertz was a German physicist who first conclusively proved the existence of the electromagnetic waves theorized by James Clerk Maxwell's electromagnetic theory of light. The unit of frequency – cycle per second – was named the "hertz" in his honor.