Mathematicians Of The Day: 23rd September

On this day in 1846, the astronomer Galle followed instructions from Le Verrier and discovered the planet Neptune.

See THIS LINK.

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

Click on Ⓟ for a poster.

Born:

1768: William Wallace Ⓟ

1791: Johann Franz Encke Ⓟ

1819: Hippolyte Fizeau Ⓟ

1851: Ellen Hayes Ⓟ

1852: Walter Gröbli Ⓟ

1900: David van Dantzig Ⓟ

1902: Buqing Su Ⓟ

1906: Omar Catunda Ⓟ

1910: Lamberto Cesari Ⓟ

1968: Wendelin Werner Ⓟ

Died:

1657: Joachim Jungius Ⓟ

1877: Urbain Le Verrier Ⓟ

1919: Heinrich Bruns Ⓟ

1938: Maurice d'Ocagne Ⓟ

1971: James Alexander Ⓟ

1982: Bella Abramovna Subbotovskaya Ⓟ

1983: Szolem Mandelbrojt Ⓟ

1984: Gheorghe Pic Ⓟ