Before the second world war Radio was a revolution in mass-communication much like the internet today. Fortunes were made and lost, empires built, epic patent battles ensued, all of which resulted in ...

When he was growing up in the 1950s, the Pasadena appliance store owned by Mark Hilbert’s parents was the first in town to carry the RCA transistor radio. It was Hilbert’s job to unpack the radios, ...