## Mathematicians Of The Day

### 14th January

On this day in 1858, Arthur Cayley's

The postage stamp of one of today's mathematicians at THIS LINK was issued in 2023.

*A Memoir on the Theory of Matrices*was read at the the Royal Society. Cayley established rules of notation and operations for these newly emerging ideas in mathematics. This paper also contained the first formal statement of what we now call the Cayley-Hamilton Theorem.The postage stamp of one of today's mathematicians at THIS LINK was issued in 2023.

Click on Ⓟ for a poster.

##### Born:

- 1819: James Cockle Ⓟ
- 1887: Hugo Steinhaus Ⓟ
- 1901: Alfred Tarski Ⓟ
- 1924: Linards Reiziņš Ⓟ
- 1939: Fatma Moalla Ⓟ
- 1948: Ricardo Mañé Ⓟ

##### Died:

- 1679: Jacques de Billy Ⓟ
- 1687: Nicolaus Mercator Ⓟ
- 1742: Edmond Halley Ⓟ
- 1753: George Berkeley Ⓟ
- 1814: Charles Bossut Ⓟ
- 1898: Charles Lutwidge Dodgson Ⓟ
- 1901: Charles Hermite Ⓟ
- 1905: Ernst Abbe Ⓟ
- 1912: Arnold Droz-Farny
- 1914: Benjamin Osgood Peirce Ⓟ
- 1931: William Johnson Ⓟ
- 1970: William Feller Ⓟ
- 1978: Kurt Gödel Ⓟ
- 2000: Clifford Ambrose Truesdell III Ⓟ

#### Quotation of the day

##### From George Berkeley

It is impossible that a man who is false to his friends and neighbours should be true to the public.