Business: Zenith

The valuable bedlam of commercial broadcasting originated in 1920 when a Pittsburgh department store plucked a Westinghouse experimenter from his garage, where he was sending out an occasional phonograph tune, set him up as historic Station KDKA. Radio makers began to multiply like summer flies. Most of them were soon swatted by the proverbial vicissitudes of their industry. Relatively few of the early breed even survived for the cream-jugs of the late 1920's. Still fewer continued to buzz right through Depression.

Last week in Chicago one of the survivors wrote a neat chapter into...

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