Mathematicians Of The Day

25th February

On this day in 1598, John Dee demonstrated the solar eclipse by viewing an image through a pinhole. Aubrey says he showed it to the Polish ambassador. Dee's Diary only contains:-
"the eclipse. A cloudy day, but great darkness about 9129\large\frac 1 2 minutes.

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Quotation of the day

From Hugo Steinhaus
Mathematics is an intermediary between spirit and matter.