## Mathematicians Of The Day

### 31st July

On this day in 1669, Isaac Barrow sent John Collins a manuscript of Isaac Newton's De analysi and thereby Newton's anonymity began to dissolve.

Click on for a poster.

#### Quotation of the day

##### From Gabriel Cramer
The mathematicians estimate money in proportion to its quantity, and men of good sense in proportion to the usage that they may make of it.