## Mathematicians Of The Day

### 31st August

##### Born:

- 1821: Hermann von Helmholtz (poster)
- 1831: Georg Sidler (poster)
- 1848: Emil Weyr (poster)
- 1864: Robert Hardie
- 1880: Heinrich Tietze (poster)
- 1885: Herbert Turnbull (poster)

##### Died:

- 1721: John Keill
- 1811: Louis-Antoine de Bougainville (poster)
- 1918: Andre-Louis Cholesky (poster)
- 1940: John Pullar
- 1945: Stefan Banach (poster)
- 1946: Leslie Cunningham
- 1975: Evgeny Remez (poster)
- 1980: Rafael Laguardia
- 2010: Nigel Kalton

#### Quotation of the day

##### From Stefan Banach

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories. One can imagine that the ultimate mathematician is one who can see analogies between analogies.