How Old Were Some Famous Mathematicians?

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The Demonstration gives a simple problem involving the ages of famous mathematicians.

Contributed by: Izidor Hafner (December 2012)
Open content licensed under CC BY-NC-SA



Writing in 1864, Augustus De Morgan said he was years old in the year AD. When was he born?


[1] D. Wells, The Penguin Book of Curious and Interesting Puzzles, London: Penguin Books, 1993 p. 63.

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