On this day in 1457, Georg Peurbach observed a lunar eclipse from a site near Vienna. He measured the duration of the eclipse and then found the time of the midpoint. It was eight minutes earlier than the time predicted by the Alphonsine Tables.
A (personally designed) stamp of one of today's mathematicians is at THIS LINK.
Click on Ⓟ for a poster.
Born:
1814: James Joseph Sylvester Ⓟ
1868: Charles Shirra Dougall Ⓟ
1874: Carl Størmer Ⓟ
1884: Solomon Lefschetz Ⓟ
1908: Lev Pontryagin Ⓟ
Died:
1967: William Milne Ⓟ
1984: Wilhelm Winkler Ⓟ
1996: Bent Christiansen Ⓟ
2016: Jean-Christophe Yoccoz Ⓟ
2021: David Borwein Ⓟ
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