Carnegie, DaleCarnegie, Dale 
(1888–1955) the US writer of How To Win Friends and Influence People (1936), a book about how to communicate with people if you want to be successful in business, which was very popular for many years
(1888–1955) the US writer of How To Win Friends and Influence People (1936), a book about how to communicate with people if you want to be successful in business, which was very popular for many years