Popov Alexander Stepanovich

use electromagnetic waves for practical purposes, including radio communications. At the beginning of 1895 he created a perfect for that time version of the radio

at a meeting of the Russian Physicochemical Society, where he made a presentation and demonstration of the world's first radio receiver. Popov finished his message with the following words:
“In conclusion, I can express the hope that my device, with further improvement, can be applied to transmitting signals over a distance using fast electrical vibrations as soon as a source of such vibrations with sufficient energy is found.”