Dale Carnegie, known as 'the arch-priest of the art of making friends', pioneered the development of personal business skills, self-confidence and motivational techniques. His books - most notably How to Win Friends and Influence People - have sold tens of millions worldwide and, even in today's changing climate, they remain as popular as ever.

Dale Carnegie, known as 'the arch-priest of the art of making friends', pioneered the development of personal business skills, self-confidence and motivational techniques. His books - most notably How to Win Friends and Influence People - have sold tens of millions worldwide and, even in today's changing climate, they remain as popular as ever.

Dale Carnegie, known as 'the arch-priest of the art of making friends', pioneered the development of personal business skills, self-confidence and motivational techniques. His books - most notably How to Win Friends and Influence People - have sold tens of millions worldwide and, even in today's changing climate, they remain as popular as ever.