This history of commercial radio networks in the United States provides a wealth of information on broadcasting from the 1920s to the present. It covers the fou

When amateur enthusiasts began sending fuzzy signals from their garages and rooftops, radio broadcasting was born. Sensing the medium's potential, snake-oil sal

When American radio broadcasting began in the early 1920s there was a consensus among middle-class opinion makers that the airwaves must never be used for adver

The free-standing radios of the middle decades of the 20th century were invitingly rotund and proudly displayed--nothing like today's skinny televisions hidden

Looks at the history of radio broadcasting as an aspect of American culture, and discusses social tensions, radio formats, and the roles of African Americans an