24. Human Radio Antenna [c.1920] In the centuries following Guglielmo Marconi’s invention of the radio, researchers have attempted to develop other transmission devices. Here we have a fine example of a human radio antenna, credited to French Muggle inventor Phillipe Mensur. The devices were eventually banned by the Citizen Brigade pour l’harmonie intérieure (“Citizen Brigade for Inner Harmony”) who felt that the constant flow of information to individuals was too “distracting, diverting, and socially isolating.”