MacTutor
Mathematicians Of The Day
23rd April
On this day in 1827, William R Hamilton presented a paper on optics, Theory of systems of rays, to the Royal Irish Academy while still a 21 year-old undergraduate. It is in this paper that Hamilton introduced the characteristic function for optics.
On this day in 2014 Google released a Planck doodle.
The postage stamp of one of today's mathematicians at THIS LINK was issued in 1950.
On this day in 2014 Google released a Planck doodle.
The postage stamp of one of today's mathematicians at THIS LINK was issued in 1950.
Click on Ⓟ for a poster.
Born:
- 1628: Johann Hudde Ⓟ
- 1858: Max Planck Ⓟ
- 1907: Ilya Vekua Ⓟ
- 1908: Solomon Grigoryevich Mikhlin Ⓟ
- 1910: Sheila Scott Macintyre Ⓟ
- 1911: Felix Behrend
- 1914: Georgii Polozii Ⓟ
- 1923: Aleksei Alekseevich Dezin Ⓟ
Died:
- 1927: Wilhelm Ahrens
- 1985: Nora Calderwood
Quotation of the day
From Max Planck
His name stands magnificently over the portal of classical physics, and we can say this of him; by his birth James Clerk Maxwell belongs to Edinburgh, by his personality he belongs to Cambridge, by his work he belongs to the whole world.
