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.
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
With the exception of the geometric series, there does not exist in all of mathematics a single infinite series whose sum has been determined rigorously.