## Mathematicians Of The Day

### 9th September

On this day in 1839, John Herschel took the first glass plate photograph. The image he captured was of William Herschel's 40-foot telescope in Slough.

See THIS LINK.

See THIS LINK.

Click on Ⓟ for a poster.

##### Born:

- 1838: Thomas Barker
- 1860: Frank Morley Ⓟ
- 1914: Marjorie Lee Browne Ⓟ

##### Died:

- 1883: Victor Puiseux Ⓟ
- 1885: Jean-Claude Bouquet Ⓟ
- 1973: Giovanni Ricci Ⓟ
- 2002: JosÃ© Luis Massera Ⓟ

#### Quotation of the day

##### From Frank Morley

If the angles of any triangle be trisected, the triangle, formed by the meets of pairs of trisectors, each pair being adjacent to the same side, is equilateral.

Morley's Theorem