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John Wallis


 

John Wallis (November 22, 1616 - October 28, 1703) was an English mathematician who is given partial credit for the development of modern calculus. Between 1643 and 1689 he served as chief cryptographer for Parliament and, later, the royal court. He is also credited with introducing the symbol ∞ for infinity.

References

The initial text of this article was taken from the public domain resource A Short Account of the History of Mathematics by W. W. Rouse Ball (4th Edition, 1908).

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  • {{MacTutor Biography|id=Wallis}}
  • C J Scriba, The autobiography of John Wallis, F.R.S.. Notes and Records Roy. Soc. London 25 (1970), 17-46.