en.wikipedia.org/wiki/John_Wallis

John Wallis (23 November 1616 – 28 October 1703) was an English
mathematician who is given partial credit for the development of infinitesimal
calculus. Between 1643 and 1689 he served as chie...

www.britannica.com/biography/John-Wallis

Wallis' appointment in 1649 as Savilian professor of geometry at the ... thus he
did not follow Cavalieri's geometric approach and instead assigned numerical
values to spatial indivisibles. ... He invented and introduced the symbol ∞ for
infinity.

www.encyclopedia.com/topic/John_Wallis.aspx

Here he also first introduced the sign for infinity and used 1/∞ to represent, .... as
Wallis himself emphasized and partly because it did not suit the taste of ...

www.famous-mathematicians.com/john-wallis/

John Wallis was an English mathematician born on 23rd October 1616 in ... such
as introducing the term 'continued fraction' and using the symbol for infinity for ...

www.goodreads.com/book/show/821914.Everything_and_More

One of the outstanding voices of his generation, David Foster Wallace has won a
... To ask other readers questions about Everything and More, please sign up. ....
(One thesis of Neal Stephenson's introduction is that this was a direct result of ......
and that really does not do justice to the book -it really is more of a biography ...

www.robertnowlan.com/pdfs/Wallis, John.pdf

introducing to represent infinity. Born at Ashford in ... Wallis did not encounter the
subject until the Christmas holidays of 1631 when his elder brother taught ...
yearly date for Easter, Wallis opposed the introduction of the Gregorian calendar.

www.math.tamu.edu/~dallen/history/infinity.pdf

time, introduces the ideas of the infinitesimal and the infinite process. In this spirit
... Curiously, the prospect of time having no beginning did not perplex the. Greeks
.... John Wallis (1616-1703), arguably the most important mathematician in 17.

www.storyofmathematics.com/17th.html

Napier also improved Simon Stevin's decimal notation and popularized the use
of ... The Englishman John Wallis, who systematized and extended the methods
of ... the idea of the number line, introducing the symbol ∞ for infinity and the term
...

www.amazon.com/Everything-More-Compact-History-Infinity/dp/0393339289

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www.nybooks.com/articles/2012/12/06/new-brilliant-start/

Dec 6, 2012 ... It happens when Max is introducing a person in Wallace's life called Big Craig. ...
Only at McLean did the staff convince him that “if he didn't stop ... Gately is the
hero of Infinite Jest, the character through which Wallace was ...