Radio: The Great Salesman

When Edgar Kobak became boss of the Mutual Broadcasting System, it was a nationwide junkpile of 247 "light bulbs" and "coffee pots" (low-power radio stations). That year (1944), advertisers spent $19,600,000 for Mutual's thin air; in 1946, $25,800,000. And this week Mutual signed up its 400th station: Atlantic City's 250-watt WMID. It was the 15th station to join Mutual in 15 days, the 153rd since Kobak took over.

At 51, Ed Kobak is an unpressed little man with a face that might have been clipped from any old banquet photograph —shy, inexact grin, blurred...

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