20th July

Mathematicians who were born or died on 20th July

Mathematicians born on this day:

1789 : Antonio Bordoni
1855 : Pierre Puiseux
1876 : Otto Blumenthal
1879 : Anton Dimitrija Bilimovic
1929 : Paddy Kennedy

Mathematicians who died on this day:

1751 : Benjamin Robins
1819 : John Playfair
1866 : Bernhard Riemann
1883 : John Colenso
1911 : Hermann Schubert
1922 : Andrei Andreyevich Markov
1968 : Andrew Young
1985 : Bruno de Finetti

Posters available   (Click on a link below)

John Playfair Bernhard Riemann A A Markov

A quotation for today

Bernhard Riemann (1826 - 1866)

Therefore, either the reality on which our space is based must form a discrete manifold or else the reason for the metric relationships must be sought for, externally, in the binding forces acting on it.

Lecture on the foundation of geometry

Another quotation by one of today's mathematicians

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JOC/EFR May 2017

School of Mathematics and Statistics
University of St Andrews, Scotland