## Mathematicians Of The Day

### 1st February

On this day in 1673 Gottfried von Leibniz, during his first visit to London, exhibited his calculating machine to the Royal Society.

See THIS LINK.

See THIS LINK.

Click on Ⓟ for a poster.

##### Born:

- 1840: Allen Whitworth Ⓟ
- 1888: Hermann Kober Ⓟ
- 1900: J C Burkill Ⓟ
- 1902: Jovan Karamata Ⓟ
- 1905: Ernst Stueckelberg Ⓟ
- 1913: Ernest Corominas Ⓟ
- 1916: George Mackey Ⓟ
- 1926: Chaim Samuel Hönig Ⓟ

##### Died:

- 1869: Theodore Strong Ⓟ
- 1903: George Stokes Ⓟ
- 1942: Arnold Scholz Ⓟ
- 1970: Alfréd Rényi Ⓟ
- 1976: Werner Heisenberg Ⓟ
- 1986: Ida Rhodes Ⓟ

#### Quotation of the day

##### From Werner Heisenberg

I think that modern physics has definitely decided in favor of Plato. In fact the smallest units of matter are not physical objects in the ordinary sense; they are forms, ideas which can be expressed unambiguously only in mathematical language.