Mathematicians Of The Day

18th September



On this day in 1846, Le Verrier wrote to Johann Galle at the Berlin Observatory asking him to look for a planet at the position he predicted. Galle located Neptune five days later.
See THIS LINK.

On this day in 2013 Google released a Foucault doodle.

Click on for a poster.


Quotation of the day

From Leonhard Euler
Although to penetrate into the intimate mysteries of nature and thence to learn the true causes of phenomena is not allowed to us, nevertheless it can happen that a certain fictive hypothesis may suffice for explaining many phenomena.