Lines, Bars And Circles: How William Playfair Invented Graphs

Born in Scotland over 250 years ago, William Playfair was a dreamer who ¿saw the world differently from other people.¿ Unfortunately, this skill didn't easily translate into the fame and fortune he hoped for. In fact, it often got him into trouble with family, friends and bosses. But Will's innovative vision did inspire a big idea that would set him apart: he turned numbers into pictures by creating line graphs, bar graphs and pie charts!Numbers as pictures? There's an idea that's off the charts!