William Jones
William Jones, FRS (1675 – 3 July 1749) was a Welsh mathematician, most noted for his proposal for the use of the symbol π (the Greek letter pi) to represent the ratio of the circumference of a circle to its diameter. He was a close friend of Sir Isaac Newton and Sir Edmund Halley. In November, 1711 he became a Fellow of the Royal Society, and was later its Vice-President.
Personal facts
![William Jones](/photos/william-jones-mathematician.jpg)
Birth date | January 01, 1675 |
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Date of death | July 03, 1749 |
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