CARBEGLE,DALE(1888-1955),was a pioneer in public speaking and personality development .He got good reputation by showing others how to become successful .His book How to Win Friends and Influence People(1936)has sold more than 10 million copies and hand been translate into many languages .His books usually have characteristics of illustrative stories and simple, well-phrased rules. His other books in include How Stop Worrying and Start Living (1948).Toward the beginning of his career ,Carnegie wrote Public Speaking and Influencing Men inBusiness(1931),Which became a standard text.