## Mathematicians Of The Day

### 1st July

On this day in 1818, William George Horner's method of solving equations was presented to the Royal Society in London. In fact this method was known to Zhu Shijie in China in the thirteenth century.

On this day in 2013 Google released an Alhazen doodle and in 2018 they released a Leibniz doodle.

On this day in 2013 Google released an Alhazen doodle and in 2018 they released a Leibniz doodle.

Click on Ⓟ for a poster.

##### Born:

- 1646: Gottfried Leibniz Ⓟ
- 1788: Jean-Victor Poncelet Ⓟ
- 1840: Robert Ball Ⓟ
- 1906: Jean Dieudonné Ⓟ
- 1923: Herman Chernoff Ⓟ

##### Died:

- 1749: William Jones Ⓟ
- 1872: Fernando Pio Rosellini
- 1957: Donald McIntosh Ⓟ
- 1963: Bevan Braithwaite Baker
- 1983: R Buckminster Fuller Ⓟ
- 2015: Czesław Olech Ⓟ

#### Quotation of the day

##### From Jean Dieudonné

It is indubitable that a 50-year-old mathematician knows the mathematics he learned at 20 or 30, but has only notions, often rather vague, of the mathematics of his epoch, i.e. the period of time when he is 50.