The discovery and understanding of radio waves can be attributed to multiple scientists and inventors. However, the key figure associated with the invention of radio and the demonstration of wireless communication using radio waves is Guglielmo Marconi.
Guglielmo Marconi, an Italian inventor and electrical engineer, is widely recognized for his pioneering work in the field of wireless communication. In the late 19th century, Marconi conducted a series of experiments and built upon the work of earlier scientists, such as James Clerk Maxwell, Heinrich Hertz, and Nikola Tesla, to develop practical systems for wireless telegraphy.
Marconi's breakthrough came in the 1890s when he successfully transmitted signals over long distances using radio waves. In 1895, he sent the first wireless signal over a distance of 1.5 miles in Italy. In subsequent years, Marconi continued to improve his system and achieved longer transmission distances, eventually crossing the Atlantic Ocean with wireless telegraphy.
Marconi's contributions to the development and popularization of radio technology earned him the Nobel Prize in Physics in 1909, jointly awarded with Karl Ferdinand Braun. While it is important to acknowledge the contributions of other scientists and inventors in the field of electromagnetic waves, Marconi is often credited as the inventor of radio due to his practical demonstrations and the commercialization of wireless communication.