## Mathematicians Of The Day

### 22nd April

#### Quotation of the day

##### From Michael Atiyah
I think it is said that Gauss had ten different proofs for the law of quadratic reciprocity. Any good theorem should have several proofs, the more the better. For two reasons: usually, different proofs have different strengths and weaknesses, and they generalise in different directions -- they are not just repetitions of each other.