MacTutor
Mathematicians Of The Day
14th December
On this day in 1900, Max Planck presented his theoretical explanation involving quanta of energy at a meeting of the Physikalische Gesellschaft in Berlin. In doing so he had to reject his belief that the second law of thermodynamics was an absolute law of nature, and accept Boltzmann's interpretation that it was a statistical law.
On this day in 2013 Google released a Brahe doodle.
On this day in 2013 Google released a Brahe doodle.
Click on Ⓟ for a poster.
Born:
- 1546: Tycho Brahe Ⓟ
- 1851: William James Macdonald
- 1904: Nikolai Grigor'evich Chudakov Ⓟ
- 1905: Jan Popken Ⓟ
- 1925: Fred Wright
- 1936: Terry Wall Ⓟ
Died:
- 1710: Henry Aldrich Ⓟ
- 1892: Stephen de Gurbs
- 1897: Francesco Brioschi Ⓟ
- 1927: Yulian Vasilievich Sokhotsky Ⓟ
- 1987: Marguerite Lehr Ⓟ
- 2016: Jean-Paul Pier Ⓟ
Quotation of the day
From Tycho Brahe
Now it is quite clear to me that there are no solid spheres in the heavens, and those that have been devised by authors to save the appearances, exist only in their imagination, for the purpose of permitting the mind to conceive the motion which the heavenly bodies trace in their courses.
