The Hertz's had not been blessed with children and were adamant that they would love taking care of the twins.
Hertz's scientific papers were translated into English by Professor D.
All these older methods have, however, been thrown into the background and rendered antiquated by inventions which have grown out of Hertz's scientific investigations on the production of electric waves.
' For a more complete account of the nature of an electric wave the reader is referred to Hertz's Electric Waves, and to the article Electric Wave.
It is impossible to describe here the details of these elaborate experiments; the reader must be referred to Hertz's own papers, or the English translation of them by Prof. D.
Hertz's great discovery was an experimental realization of a suggestion made by G.