Template:Selected anniversaries/January 9: Difference between revisions
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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: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: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. | |||
File:Georg Cantor 1894.png|link=Georg Cantor (nonfiction)|1917: Mathematician and philosopher [[Georg Cantor (nonfiction)|Georg Cantor]] publishes new [[Set theory (nonfiction)|theory of sets]] derived from [[Gnomon algorithm functions]]. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing [[crimes against mathematical constants]]." | |||
|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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Revision as of 13:19, 3 July 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.)
1917: Mathematician and philosopher Georg Cantor publishes new theory of sets derived from Gnomon algorithm functions. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing crimes against mathematical constants."