Google change its official logo in its front page into a frequency wave . This doodle is now showing almost in all over the world .
Many people can recognize the name of Hertz from Hertz unit in measurement systems which measures cycles per second .
He made important contributions in his short time life . Hertz through his experiments proved that electricity can be transmitted via electromagnetic waves . His discoveries made important changes to humans life and it leads to inventions of wireless telegraph, radio and television later .
This German scientist died in 1894 and left two daughters . None of her daughters married and he does not have any descendants, according to the book by Susskind .
