## Mathematicians Of The Day

### 21st August

On this day in 1893, a so called International Congress of Mathematicians opened at the World's Columbian Exposition in Chicago. It was the precursor of the later ICMs.

See THIS LINK.

See THIS LINK.

Click on Ⓟ for a poster.

##### Born:

- 1789: Augustin-Louis Cauchy Ⓟ
- 1860: Alexander Morgan
- 1881: Samuel Beatty Ⓟ
- 1881: Archibald Richardson Ⓟ
- 1901: Edward Copson Ⓟ
- 1905: Alexander Doniphan Wallace Ⓟ
- 1909: Nikolai Nikolaevich Bogolyubov Ⓟ
- 1929: Margaret Rayner Ⓟ
- 1932: Louis de Branges Ⓟ
- 1934: Paul-André Meyer Ⓟ
- 1937: Leonid Andreevich Pastur Ⓟ
- 1940: Endre Szemerédi Ⓟ

##### Died:

- 1757: Samuel König Ⓟ
- 1771: Alexis Fontaine
- 1836: Claude-Louis Navier Ⓟ
- 1927: William Burnside Ⓟ
- 1933: Leon Lichtenstein Ⓟ
- 1961: Cyrus Colton MacDuffee Ⓟ
- 1961: Eric Harold Neville Ⓟ
- 1972: Richard Gwilt
- 1974: Louis Melville Milne-Thomson Ⓟ
- 1995: Subrahmanyan Chandrasekhar Ⓟ
- 2006: Martin Löb Ⓟ
- 2010: Don Carlson Ⓟ
- 2012: Bill Thurston Ⓟ

#### Quotation of the day

##### From Augustin-Louis Cauchy

As for methods I have sought to give them all the rigour that one requires in geometry, so as never to have recourse to the reasons drawn from the generality of algebra.