Nikola Tesla and Guglielmo Marconi were both interested in trying to communicate with extraterrestrial intelligence. They were among the pioneers of what today we know as SETI. My other YouTube channels: The Science Fiction Rock Experience ( the music show I produce): null Discover Maths (with Juan Medina): null Science World (with Emrah Polat): null My website: https://www.daviddarling.info/ Music: https://purple-planet.com/