On 28/01/2008, at 12:07 AM, Peter Dalgaard wrote:
> Jean lobry wrote:
>>>
<snip>
>>> about an hour North of Paris. Her father inquired -
>>> coincidentally during the cheese course - what work I was
>>> doing in Paris; I replied that I was researching the
>>> activities of a Scot, William Playfair, during the
>>> revolutionary period. I told him that Playfair had invented
>>> several statistical graphs, including the pie chart
<snip>
I have been for many years under the impression that the pie chart
was invented by Florence Nightingale. Am I misinformed?
cheers,
Rolf Turner
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