Mathematicians Of The Day

8th April



On this day in 1019, Al-Biruni observed an eclipse of the sun at Lamghan, north of Kabul. He wrote:-
... at sunrise we saw that approximately one-third of the sun was eclipsed and that the eclipse was waning.


The postage stamp of one of today's mathematicians at THIS LINK was issued in 1932.

Click on for a poster.


Quotation of the day

From Georg Peurbach
Sol habet tres orbes
The sun has three orbs
From Theoricae Novae Planetarum (1454)