Empire of the Air: The Men Who Made Radio is a documentary film that tells the story of three men who played a crucial role in the development of radio broadcasting in the early 20th century.
The film focuses on the lives and work of Lee de Forest, Edwin Howard Armstrong, and David Sarnoff, who were all pioneers in the field of radio technology.
Lee de Forest was a scientist and inventor who is credited with inventing the Audion vacuum tube, which made it possible to amplify radio signals and broadcast them over long distances.
Edwin Howard Armstrong was an engineer who invented frequency modulation (FM) radio, which revolutionized the way radio signals were transmitted and received.
David Sarnoff was a businessman who played a key role in the development of radio as a mass medium, helping to establish the Radio Corporation of America (RCA) and the National Broadcasting Company (NBC).
The film explores the personal and professional rivalries between these three men, as well as the impact of their innovations on the world of broadcasting.
Empire of the Air is a fascinating look at the history of radio and the men who helped shape it into the powerful medium it is today.