I found I'm alarmingly ignorant of the development of radio. People had household radios in the 20s. Marconi was still alive then. From this admittedly unscien

I found I'm alarmingly ignorant of the development of radio. People had household radios in the 20s. Marconi was still alive then. From this admittedly unscientific book, he seems to have been resolutely ignorant of other people's work in the field.