Gustave Ferrié, Constructor of French Wireless Communications (1868-1932)

Alexander Graham Bell, Developer of the Telephone (1847-1922)

Emile Baudot, Conceiver of the Multiplex Telegraph (1845-1903)

Samuel Morse, Pillar of Electrical Telegraphy (1791-1872)

Joseph Henry, Discoverer of Self-Inductance (1797-1878)

André-Marie Ampère, Founder of Electrodynamics (1775-1836)

Wireless telegraphy

Emile Baudot’s electric telegraph (1874)