Mathematicians Of The Day

27th May

On this day in 1849Pafnuty Chebyshev defended his doctoral number theory dissertation The Theory of Congruences at St Petersburg University. This work received a prize from the Academy of Sciences.

On this day in 2020 Google released a Gutiérrez doodle.

Click on for a poster.

Quotation of the day

From Herbert Seifert
Today it is very hard to write mathematical books.
A quote from Kepler that appeared in Seifert and Threlfall's Lectures in Topology (1934) and which got the authors into trouble with the authorities.