Mathematicians Of The Day

22nd January



On this day in 1839, John Herschel heard of Daguerre's work on photography from a casual remark in a letter written by Beaufort to Margaret his wife. Without knowing any details, Herschel was able to take photographs himself within a few days.
See THIS LINK.

On this day in 2019 Google released a Landau doodle.

Click on for a poster.


Quotation of the day

From Leonard Dickson
Thank God that number theory is unsullied by any application.
Quoted in D MacHale, Comic Sections (Dublin 1993)