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Victor O. Schwab was the one of most famous direct marketing copywriters of all time. His work for Dale Carnegie’s “How to Win Friends and Influence People” made it a best-selling ...view moreVictor O. Schwab was the one of most famous direct marketing copywriters of all time. His work for Dale Carnegie’s “How to Win Friends and Influence People” made it a best-selling book in the 1930s.view less