David Sarnoff was a pioneering American businessman and executive in the radio and television industries. Born in 1891, he became a key figure at RCA (Radio Corporation of America) and played a significant role in the development of commercial radio and television broadcasting. Sarnoff is best known for his vision of a future where radio and television would be essential parts of everyday life. He is also credited with the establishment of the NBC (National Broadcasting Company) network, which became one of the first major television networks in the United States. Sarnoff's leadership and innovative ideas helped shape the media landscape, making him a prominent figure in the history of communication technology.