Template:Selected anniversaries/April 7: Difference between revisions

From Gnomon Chronicles
Jump to navigation Jump to search
No edit summary
No edit summary
Line 18: Line 18:
||1827 – John Walker, an English chemist, sells the first friction match that he had invented the previous year.
||1827 – John Walker, an English chemist, sells the first friction match that he had invented the previous year.


File:Niles Cartouchian.jpg|link=Niles Cartouchian|1833: Gem detective [[Niles Cartouchian]] works with [[Hasan Tahsini (nonfiction)|Hasan Tahsini]] to recover stolen shipment of [[Time crystal (nonfiction)|time crystals (nonfiction)]].
||Jacques Loeb (b. April 7, 1859) was a German-born American physiologist and biologist. Messaging. Pic.


||Jacques Loeb (b. April 7, 1859) was a German-born American physiologist and biologist. Messaging. Pic.
File:Ernst_Ruhmer,_Technical_World_cover_(1905).jpg|link=Ernst Ruhmer (nonfiction)|1860: Physicist and crime-fighter [[Ernst Ruhmer (nonfiction)|Ernst Ruhmer]] invents a camera which uses the light-sensitivity properties of selenium to record images from past and future events. This type of camera is popular with math photographers, notably [[Cantor Parabola]].


||Erik Ivar Fredholm (b. 7 April 1866) was a Swedish mathematician whose work on integral equations and operator theory foreshadowed the theory of Hilbert spaces. Pic.
||Erik Ivar Fredholm (b. 7 April 1866) was a Swedish mathematician whose work on integral equations and operator theory foreshadowed the theory of Hilbert spaces. Pic.
File:Niles Cartouchian.jpg|link=Niles Cartouchian|1867: Gem detective [[Niles Cartouchian]] works with [[Hasan Tahsini (nonfiction)|Hasan Tahsini]] to recover stolen shipment of [[Time crystal (nonfiction)|time crystals (nonfiction)]].


||1882: Hermann Pokorny born. He was a World War I Austro-Hungarian Army cryptologist whose work with Russian ciphers contributed substantially to Central Powers victories over Russia.  Pic.
||1882: Hermann Pokorny born. He was a World War I Austro-Hungarian Army cryptologist whose work with Russian ciphers contributed substantially to Central Powers victories over Russia.  Pic.

Revision as of 15:01, 6 April 2018