Inventor of the pie chart
Writing about web page http://www.americanscientist.org/template/BookReviewTypeDetail/assetid/50745#50965
A nice wee article this in American Scientist about Playfair, originator of the pie chart and other modern wonders. I had always wondered in a vague way about pie charts and how they came to be.
See this lovely early example of one by Playfair:
Fantastic. And now your chart wizard does it all for you.