As bright, young meteorologists at an air navigational training school in Texas in World War II, Dennis Trettel and John Murray were plagued by phone calls from businessmen for weather information. Contractors, for example, wanted to know how the weather would be for pouring concrete foundations. Trettel and Murray had to keep mum; in war, weather information was a military secret. But the calls gave them an idea for a postwar business. Why not sell special weather forecasts to businessmen?
By last week the two energetic meteorologists, now both 29, had solidly...
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