## Mathematicians Of The Day

### 14th June

On this day in 1822, Charles Babbage read a paper to the London Astronomical Society entitled

*Note on the application of machinery to the computation of astronomical and mathematical tables*. He announced the successful completion of his*Difference engine*, the forerunner of our modern computers.
Click on Ⓟ for a poster.

##### Born:

- 1444: Nilakantha Ⓟ
- 1736: Charles Augustin Coulomb Ⓟ
- 1796: Nikolai Dmetrievich Brashman Ⓟ
- 1856: Andrei Andreyevich Markov Ⓟ
- 1860: Frank Carey Ⓟ
- 1868: Gilbert Walker Ⓟ
- 1903: Alonzo Church Ⓟ
- 1910: Fritz John Ⓟ
- 1913: Adriaan Cornelis Zaanen Ⓟ
- 1917: Atle Selberg Ⓟ
- 1935: Louise Szmir Hay Ⓟ

##### Died:

- 1746: Colin Maclaurin Ⓟ
- 1886: Jules Hoüel Ⓟ
- 1946: Federigo Enriques Ⓟ
- 1957: Theodoros Varopoulos Ⓟ
- 1969: Ottó Varga Ⓟ
- 2008: Yurii Alekseevich Mitropolskii Ⓟ

#### Quotation of the day

##### From Alonzo Church

Well it was not exactly a dissertation in logic, at least not the kind of logic you would find in Whitehead and Russell'sPrincipia Mathematicafor instance. It looked more like mathematics; no formalized language was used.