Empire of the Air: The Men Who Made Radio (1991) 1991, Documentary, History, United States Empire of the Air: The Men Who Made Radio (1991) Duration: 1H53M Description: For 50 years, radio dominated the airwaves as the first mass medium. Ken Burns examines the lives of three men who shared the responsibility for its invention and early success… Trailer ↗ United States 1991 Documentary History