Template:Selected anniversaries/February 15: Difference between revisions

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||1882: Paul Koebe born.  His work dealt exclusively with the complex numbers, his most important results being on the uniformization of Riemann surfaces in a series of four papers in 1907–1909. Pic.
||1882: Paul Koebe born.  His work dealt exclusively with the complex numbers, his most important results being on the uniformization of Riemann surfaces in a series of four papers in 1907–1909. Pic.


File:Friedrich Reinitzer.jpg|link=Friedrich Reinitzer (nonfiction)|1888: Botanist, chemist, and private detective [[Friedrich Reinitzer (nonfiction)|Friedrich Reinitzer]] discovers new class of [[Gnomon algorithm]] functions which convert cholesteryl benzoate into what will later be called [[Time crystal (nonfiction)|time crystals]]; although the discovery attracts attention, interest soon fades when it becomes clear that practical applications remain "at least a century away." [In fact, [[Time Crystal (nonfiction)|time crystals (nonfiction)]] were first observed in 2017.]
File:Friedrich Reinitzer.jpg|link=Friedrich Reinitzer (nonfiction)|1888: Botanist, chemist, and private detective [[Friedrich Reinitzer (nonfiction)|Friedrich Reinitzer]] discovers new class of [[Gnomon algorithm]] functions which convert cholesteryl benzoate into what will later be called [[Time crystal (nonfiction)|time crystals]].


||1889: Ernst Heinrich Karl von Dechen dies ... geologist and academic. He studied the coal-formation of Westphalia and northern Europe generally, and contributed to the theory and practice of mining and metallurgical works in Rhenish Prussia. Pic.
||1889: Ernst Heinrich Karl von Dechen dies ... geologist and academic. He studied the coal-formation of Westphalia and northern Europe generally, and contributed to the theory and practice of mining and metallurgical works in Rhenish Prussia. Pic.

Revision as of 18:51, 25 February 2020