9th September

Mathematicians who were born or died on 9th September

Mathematicians born on this day:

1860 : Frank Morley
1914 : Marjorie Lee Browne

Mathematicians who died on this day:

1883 : Victor Puiseux
1885 : Jean-Claude Bouquet
1973 : Giovanni Ricci

Posters available   (Click on a link below)

Frank Morley Claude Bouquet Victor Puiseux

A quotation for today

Frank Morley (1860 - 1937))

If the angles of any triangle be trisected, the triangle, formed by the meets of pairs of trisectors, each pair being adjacent to the same side, is equilateral.
Morley's Theorem

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School of Mathematics and Statistics
University of St Andrews, Scotland