Template:Selected anniversaries/September 23: Difference between revisions

Latest revision as of 13:05, 7 February 2022

1785: Lawyer, translator, and inventor Per Georg Scheutz born. He will invent the Scheutzian calculation engine, based on Charles Babbage's difference engine.
1877: Mathematician and astronomer Urbain Le Verrier dies. He predicted the existence and position of Neptune using only mathematics, an event widely regarded as one of the most remarkable moments of 19th century science.
1884: Patent filed for Herman Hollerith's tabulating machine. Hollerith's machines will be used in the 1890 US Census and in 1924 he and others will form the company that will become IBM.
1915: Physicist and academic Clifford Shull born. He will share the 1994 Nobel Prize in Physics with Bertram Brockhouse for the development of the neutron scattering technique.
1938: Mathematician and engineer Philbert Maurice d’Ocagne dies. He founded the field of nomography, the graphic computation of algebraic equations, on charts which he called nomograms.

@@ Line 1: / Line 1: @@
 <gallery>
 || *** DONE: Pics ***
-File:Hermann_der_Lahme.gif|link=Hermann of Reichenau (nonfiction)|1044: Composer, mathematician, astronomer, and [[Gnomon algorithm]] theorist [[Hermann of Reichenau (nonfiction)|Hermann of Reichenau]] uses an improvised astrolabe to defeat his rival [[Anarchimedes]] in mathematical-astronomical combat.
 ||1596: Joan Blaeu born ... cartographer born in Alkmaar, the son of cartographer Willem Blaeu. Pic.
@@ Line 82: / Line 80: @@
 ||2017: Lester Randolph Ford Jr. dies ... mathematician specializing in network flow problems. Pic search.
-Violet_Spiral_2.jpg|link=Violet Spiral 2 (nonfiction)|2018: Steganographic analysis of ''[[Violet Spiral 2 (nonfiction)|Violet Spiral 2]]'' unexpectedly reveals "at least two, probably four, possibly as many as two hundred and fifty-six" previously unknown hues of the color [[Violet (nonfiction)|violet]].
 </gallery>