Template:Selected anniversaries/January 9: Difference between revisions

Revision as of 19:00, 13 February 2017

1799: Mathematician, philosopher, theologian, and humanitarian Maria Gaetana Agnesi dies. She is credited with writing the first book discussing both differential and integral calculus.
1800: Poet-Wizard Jan Kochanowski adapts Nebra sky disk for use as scrying engine.
1848: Astronomer Caroline Herschel dies. She discovered several comets, including the periodic comet 35P/Herschel-Rigollet, which bears her name.
1894: New England Telephone and Telegraph installs the first battery-operated telephone switchboard in Lexington, Massachusetts. (Shown here: another telephone exchange circa 1900.)
1924: Hilbert curve and Jan Kochanowski share research data, discover new class of Gnomon algorithm functions.

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 File:Wizard Jan Kochanowski.jpg|link=Jan_Kochanowski|1800: Poet-Wizard [[Jan Kochanowski]] adapts [[Nebra sky disk (nonfiction)|Nebra sky disk]] for use as [[scrying engine]].
 File:Caroline_Herschel_1829.jpg|link=Caroline Herschel (nonfiction)|1848: Astronomer [[Caroline Herschel (nonfiction)|Caroline Herschel]] dies. She discovered several comets, including the periodic comet 35P/Herschel-Rigollet, which bears her name.
 File:Telephone exchange operator circa 1900.jpg|link=Telephone switchboard (nonfiction)|1894: New England Telephone and Telegraph installs the first battery-operated [[Telephone switchboard (nonfiction)|telephone switchboard]] in Lexington, Massachusetts. (Shown here: another telephone exchange circa 1900.)
 File:Hilbert_curve.gif|link=Hilbert Curve (nonfiction)|1924: [[Hilbert curve (nonfiction)|Hilbert curve]] and [[Jan Kochanowski]] share research data, discover new class of [[Gnomon algorithm]] functions.
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