9th April

Mathematicians who were born or died on 9th April

Mathematicians born on this day:

1652 : Le Fèvre
1791 : Peacock
1813 : Anstice
1816 : Delaunay
1834 : Laguerre
1869 : Cartan
1878 : Grossmann
1894 : Alfred Brauer
1894 : Krieger
1900 : Kloosterman
1919 : John Eckert
1931 : Hironaka

Mathematicians who died on this day:

1348 : William of Ockham
1920 : Moritz Cantor
1951 : Vilhelm Bjerknes
1953 : Reichenbach
1983 : Matsushima

Click here for a poster of Edmond Laguerre and here for a poster of Elie Cartan

A quotation for today

William of Ockham (1288 - 1348)

[Ockham's Razor:]
Frustra fit per plura, quod fieri potest per pauciora.
It is vain to do with more what can be done with less.
or
Essentia non sunt multiplicanda praeter necessitatem.
Entities should not be multiplied unnecessarily.
Quodlibeta.

Another quotation by one of today's mathematicians

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JOC/EFR August 2005 The URL of this page is:	School of Mathematics and Statistics University of St Andrews, Scotland
http://www-history.mcs.st-andrews.ac.uk/history/Day_files/Day409.html