25th September

Mathematicians who were born or died on 25th September

Mathematicians born on this day:

1819 : George Salmon
1888 : Stefan Mazurkiewicz
1893 : Harald Cramér
1893 : Alexander Ostrowski

Mathematicians who died on this day:

1777 : Johann Heinrich Lambert
1828 : Barnabé Brisson
1852 : Christoph Gudermann
1933 : Paul Ehrenfest
1955 : Franz Rellich

Posters available   (Click on a link below)

George Salmon Johann Lambert Barnabé Brisson

A quotation for today

Johann H Lambert (1728 - 1777)

I am undecided wheter or not the Milky Way is but one of countless others all of which form an entire system. Perhaps the light from these infinitely distant galaxies is so faint that we cannot see them.

Quoted in E Maor, To infinity and beyond (Princeton 1991)

Another quotation by one of today's mathematicians

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School of Mathematics and Statistics
University of St Andrews, Scotland