Mathematicians Of The Day: 26th September

On this day in 1679, a fire destroyed the home and observatory of Johannes and Koopman Hevelius in Danzig (now Gdańsk).

See THIS LINK.

The postage stamp of one of today's mathematicians at THIS LINK was issued in 1954.

Click on Ⓟ for a poster.

Born:

1688: Willem 'sGravesande Ⓟ

1731: Gianfrancesco Malfatti Ⓟ

1854: Percy MacMahon Ⓟ

1891: Hans Reichenbach Ⓟ

1926: Brian Haselgrove

1927: Brian Griffiths Ⓟ

Died:

1766: Giulio Fagnano Ⓟ

1802: Georg Vega Ⓟ

1868: August Möbius Ⓟ

1877: Hermann Grassmann Ⓟ

1910: Thorvald Thiele Ⓟ

1976: Paul Turán Ⓟ

1979: K K Weatherhead

1990: Lothar Collatz Ⓟ