The waves of light are not anything mechanical or material, but are something electrical and magnetic—they are, in fact, electrical disturbances peri… - Oliver Lodge

" "

The waves of light are not anything mechanical or material, but are something electrical and magnetic—they are, in fact, electrical disturbances periodic in space and time, and travelling with a known and tremendous speed through the ether of space. Their very existence depends upon the ether, and their speed of propagation is its best known and most certain quantitative property.