21st April

Mathematicians who were born or died on 21st April


Mathematicians born on this day:

1652 : Michel Rolle
1774 : Jean-Baptiste Biot
1869 : Philipp Furtwängler
1875 : Teiji Takagi
1903 : Isaac Schoenberg
1904 : Jurjen Koksma
1909 : Eduard Stiefel
1931 : Robert Thompson
1936 : Richard Schelp
1946 : Anzelm Iwanik
1951 : Michael Freedman

Mathematicians who died on this day:

1552 : Petrus Apianus
1718 : Philippe de la Hire
1825 : Johann Friedrich Pfaff
1922 : Alfred Kempe
1946 : John Maynard Keynes
1954 : Emil Post
2005 : William Kruskal
2008 : Aleksandr Yakovlevich Povzner
2010 : Herbert Federer

Posters available   (Click on a link below)

Teiji Takagi Alfred Kempe Jean-Baptiste Biot


A quotation for today

John Maynard Keynes (1883 - 1946)

I can't remember my telephone number, but I know it was in the high numbers.

Quoted in D MacHale, Comic Sections (Dublin 1993)

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