Guglielmo Marconi, born in 1874, was an Italian inventor and electrical engineer renowned as the father of radio. At 21, he successfully sent the first wireless signal, leading to the establishment of The Wireless Telegraph & Signal Company in 1897. Marconi’s wireless telegraphy revolutionized communication, earning him the Nobel Prize in Physics in 1909. Beyond scientific achievements, he was an astute entrepreneur, expanding his company globally. Marconi’s ennoblement as the Marquis of Marconi in 1929 and the setup of Vatican Radio in 1931 showcased his influence beyond science. His legacy persists in shaping modern wireless communication.