MacTutorMathematicians Of The Day
31st January
On this day in 1918, the Bolshevik government in Russia adopted the Gregorian Calendar which required 13 days to be added. Catholic European countries had adopted it in 1582 and the British had used it from 1752.
Click on Ⓟ for a poster.
Born:
- 1715: Giovanni Fagnano
- 1841: Samuel Loyd Ⓟ
- 1886: Neville Watson Ⓟ
- 1896: Sof'ja Aleksandrovna Janovskaja Ⓟ
- 1914: Lev Arkad'evich Kaluznin Ⓟ
- 1928: Heinz Bauer Ⓟ
- 1945: Persi Diaconis Ⓟ
Died:
- 1632: Jost Bürgi Ⓟ
- 1862: Charles MacKenzie Ⓟ
- 1903: Norman Ferrers Ⓟ
- 1934: Duncan Sommerville Ⓟ
- 1973: Noel Slater Ⓟ
- 1976: Lloyd Williams Ⓟ
- 1980: Emanuel Sperner Ⓟ
- 2005: Lee Segel Ⓟ
- 2014: Stein Arild Stromme Ⓟ
Quotation of the day
From Persi Diaconis
The really unusual day would be one where nothing unusual happens.
