21st July

Mathematicians who were born or died on 21st July

Mathematicians born on this day:

1620 : Jean Picard
1848 : Weyr
1849 : Woodward
1861 : Slaught
1926 : Leech

Mathematicians who died on this day:

1873 : Codazzi
1925 : Frattini
1937 : Elliott
1966 : Cantelli
1966 : Frank
1974 : Lyra
1993 : Pitman

Posters available   (Click on a link below)

Emil Weyr John Leech Francesco Cantelli

A quotation for today

Robert Woodward (1849 - 1924)

The theory of probabilities and the theory of errors now constitute a formidable body of knowledge of great interest and of great practical importance. Though developed largely through the applications to the more precise sciences of astronomy, geodesy and physics, their range of applicability extends to all the sciences; and they are plainly destined to play an increasingly important role in the development and in the applications of the sciences of the future. Hence their study is not only a commendable element in a liberal education, but some knowledge of them is essential to a correct understanding of daily events.

Probability and Theory of Errors

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School of Mathematics and Statistics
University of St Andrews, Scotland