MacTutor
Mathematicians Of The Day
5th August
On this day in 1900, the engineer Frank Baldwin was awarded a U.S. Patent for his mechanical calculator. This machine was capable of doing a calculation such as in about 20 seconds with eight turns of the handle.
See THIS LINK
The postage stamp of one of today's mathematicians at THIS LINK was issued in 1929.
See THIS LINK
The postage stamp of one of today's mathematicians at THIS LINK was issued in 1929.
Click on Ⓟ for a poster.
Born:
- 1802: Niels Abel Ⓟ
- 1855: Alfredo Capelli Ⓟ
- 1878: Louis Karpinski Ⓟ
- 1889: Hans Hamburger Ⓟ
- 1936: Ki Hang Kim Ⓟ
Died:
- 1853: Théodore Olivier Ⓟ
- 1872: Charles Eugène Delaunay Ⓟ
- 1910: Julius Petersen Ⓟ
- 1981: Jerzy Neyman Ⓟ
Quotation of the day
From Niels Abel
The divergent series are the invention of the devil, and it is a shame to base on them any demonstration whatsoever. By using them, one may draw any conclusion he pleases and that is why these series have produced so many fallacies and so many paradoxes ...
