Mathematicians Of The Day

20th October

On this day in 1939 the three Polish mathematicians Rejewski, Rozycki and Zygalski began decoding German Enigma cipher messages from a station near Paris. World War II had begun about two weeks earlier.

On this day in 2014 Google released a Wren doodle.

Click on for a poster.

Quotation of the day

From Paul Dirac
In science one tries to tell people, in such a way as to be understood by everyone, something that no one ever knew before. But in poetry, it's the exact opposite.
Quoted in H Eves Mathematical Circles Adieu (Boston 1977).