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.

The postage stamp of one of today's mathematicians at THIS LINK was issued in 1958.

Click on Ⓟ for a poster.

Born:

1752: Adrien-Marie Legendre Ⓟ

1819: Léon Foucault Ⓟ

1863: William Metzler Ⓟ

1908: Victor Amazaspovich Ambartsumian Ⓟ

1909: Johannes Haantjes Ⓟ

Died:

1783: Leonhard Euler Ⓟ

1891: William Ferrel Ⓟ

1896: Hippolyte Fizeau Ⓟ

1969: Joseph Pierce Ⓟ

1977: Paul Bernays Ⓟ

2002: Siobhán Vernon Ⓟ