Guglielmo Marconi, 1st Marquis of Marconi (/mɑːrˈkoʊni/; Italian: [ɡuʎˈʎɛlmo marˈkoːni]; 25 April 1874 – 20 July 1937) was an Italian[2][3][4][5] inventor and electrical engineer known for his pioneering work on long-distance radio transmission[6] and for his development of Marconi's law and a radio telegraph system. He is credited as the inventor of radio,[7] and he shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".[8][9][10]