MacTutor
Mathematicians Of The Day
26th December
On this day in 1843, John Graves wrote to William Rowan Hamilton that he had invented an eight-dimension normed division algebra he called Octaves. These were later called Octonions or (sadly for Graves!) Cayley numbers.
See THIS LINK.
See THIS LINK.
Click on Ⓟ for a poster.
Born:
- 1780: Mary Somerville Ⓟ
- 1791: Charles Babbage Ⓟ
- 1861: Friedrich Engel Ⓟ
- 1903: Stephen Bosanquet Ⓟ
- 1907: Leonard Carlitz Ⓟ
- 1937: John Conway Ⓟ
Died:
- 1624: Simon Mayr Ⓟ
- 1889: Jenő Hunyadi Ⓟ
- 1941: Frances Hardcastle Ⓟ
- 1966: Mikhail Fedorovich Subbotin Ⓟ
- 1973: Harold Hotelling Ⓟ
- 1977: Walter R Talbot Ⓟ
- 1979: Helmut Hasse Ⓟ
- 1992: John Kemeny Ⓟ
- 1997: Cahit Arf Ⓟ
- 2006: Martin Kruskal Ⓟ
- 2011: John Howie Ⓟ
Quotation of the day
From Charles Babbage
Errors using inadequate data are much less than those using no data at all.
