## Mathematicians Of The Day

### 5th March

Click on Ⓟ for a poster.

##### Born:

- 1512: Gerard Mercator Ⓟ
- 1574: William Oughtred Ⓟ
- 1624: John Collins Ⓟ
- 1779: Benjamin Gompertz Ⓟ
- 1817: Angelo Genocchi Ⓟ
- 1842: Heinrich Weber Ⓟ
- 1872: Gustave Dumas Ⓟ
- 1880: Sergei Bernstein Ⓟ
- 1885: Pauline Sperry Ⓟ
- 1887: Otto Haupt Ⓟ
- 1915: Laurent Schwartz Ⓟ
- 1917: István Fenyő Ⓟ
- 1924: Ottó Steinfeld Ⓟ
- 1931: Vera Pless Ⓟ
- 1937: Ron Book
- 1960: 'Mamphono Khaketla Ⓟ

##### Died:

- 1827: Pierre-Simon Laplace Ⓟ
- 1875: Claude-Louis Mathieu Ⓟ
- 1925: Johan Ludwig Jensen Ⓟ
- 1927: Franz Mertens Ⓟ
- 1930: Christine Ladd-Franklin Ⓟ
- 1954: Julian Coolidge Ⓟ
- 1973: Margaret Hilary Ashworth Millington Ⓟ
- 1990: Edgar Raymond Lorch Ⓟ
- 2013: James Clunie Ⓟ
- 2018: Clarence Francis Stephens Ⓟ

#### Quotation of the day

##### From Julian Coolidge

The unproved postulates with which we start are purely arbitrary. They must be consistent, but they had better lead to something interesting.