Origins & Early Life

William Playfair (22 September 1759 – 11 February 1823) was a Scottish engineer and political economist. The founder of graphical methods of statistics, Playfair invented several types of diagrams: in 1786 he introduced the line, area and bar chart of economic data, and in 1801 he published what were likely the first pie chart and circle graph, used to show part-whole relations. Playfair has been reported to have been a secret agent for the British Government, although this has sometimes been a subject of controversy. William Playfair was born in 1759 in Scotland.

Pivotal Works & Achievements

He was the fourth son, named after his grandfather, of the Reverend James Playfair of the parish of Liff & Benvie near the city of Dundee in Scotland. His notable brothers were architect James Playfair and mathematician John Playfair. His father died in 1772 when he was 13, leaving the eldest brother John to care for the family and his education. After his apprenticeship with Andrew Meikle, the inventor of the threshing machine, Playfair became an engine erector, draftsman and personal assistant to James Watt at the Boulton and Watt steam engine manufactory in Soho, Birmingham. Playfair had a variety of careers...

Enduring Legacy & Impact

The historical impact and works continue to influence the modern world.

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