30th September

Mathematicians who were born or died on 30th September

Mathematicians born on this day:

1550 : Mastlin
1775 : Adrain
1829 : Wolstenholme
1883 : Hellinger
1891 : Otto Yulyevich Schmidt
1894 : Struik
1913 : Eilenberg
1918 : Leslie Fox

Mathematicians who died on this day:

1612 : Delgado
1632 : Allen
1930 : Ratz
1953 : Richardson
2003 : Kneebone

Posters available   (Click on a link below)

Ernst Hellinger Michael Mästin Robert Adrain

A quotation for today

Lewis Richardson (1881 - 1953)

Big[ger] whirls have little whirls,
That feed on their velocity;
And little whirls have lesser whirls,
And so on to viscosity.

[summarising his paper The supply of energy from and to Atmospheric Eddies 1920]

Another quotation by one of today's mathematicians

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School of Mathematics and Statistics
University of St Andrews, Scotland