xwidep:

Google celebrate the work of Heinrich Rudolf Hertz - Born 155 years ago today

(22nd February 2012)

Heinrich Rudolf Hertz (February 22, 1857 – January 1, 1894) was a German physicist who clarified and expanded the electromagnetic theory of lightHe was the first to conclusively prove  the existence of electromagnetic waves by engineering instruments to transmit and receive radio pulses using experimental procedures that ruled out all other known wireless phenomena.