28th December

Mathematicians Of The Day

28th December

On this day in 1612, Galileo observed Neptune, but did not recognize it as a planet. The "discovery" of Neptune happened more than 200 years later.
See THIS LINK.

The postage stamp of one of today's mathematicians at THIS LINK was issued in 1992.

Click on Ⓟ for a poster.

Born:

1808: Athanase Dupré Ⓟ
1877: David Drysdale
1882: Arthur Eddington Ⓟ
1903: John von Neumann Ⓟ
1930: Bruce Kellogg Ⓟ
1940: Peter Neumann Ⓟ

Died:

1663: Francesco Grimaldi Ⓟ
1827: Robert Woodhouse
1871: John Pratt Ⓟ
1919: Johannes Robert Rydberg Ⓟ
1935: Ellice Horsburgh
1935: David Johnstone Ⓟ
1944: Richard Fuchs Ⓟ
1951: Neil McArthur
1964: Edwin Wilson Ⓟ
2020: Helge Tverberg Ⓟ

Quotation of the day

From John von Neumann

Anyone who considers arithmetic methods of producing random digits is, of course, in a state of sin.

Quoted in D MacHale, Comic Sections (Dublin 1993)

View nine larger pictures