Template:Selected anniversaries/April 15: Difference between revisions

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||Hermann Günther Grassmann (b. April 15, 1809) was a German polymath, known in his day as a linguist and now also as a mathematician. He was also a physicist, neohumanist, general scholar, and publisher.  
||Hermann Günther Grassmann (b. April 15, 1809) was a German polymath, known in his day as a linguist and now also as a mathematician. He was also a physicist, neohumanist, general scholar, and publisher.  
||Maurice (Moritz) Loewy (b. 15 April 1833) was a French astronomer.


File:Johann Philipp Reis.jpg|link=|1854: Scientist and inventor [[Johann Philipp Reis (nonfiction)|Johann Philipp Reis]] uses [[scrying engine]] technology to fight [[crimes against mathematical constants]].
File:Johann Philipp Reis.jpg|link=|1854: Scientist and inventor [[Johann Philipp Reis (nonfiction)|Johann Philipp Reis]] uses [[scrying engine]] technology to fight [[crimes against mathematical constants]].

Revision as of 11:48, 1 December 2017

  • 1452: Polymath Leonardo da Vinci born. His areas of interest will include painting, sculpting, architecture, invention, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.

    1452: Polymath Leonardo da Vinci born. His areas of interest will include painting, sculpting, architecture, invention, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.

  • 1548: Writer, humanist, and historian Pedro Mexía appointed consulting crime-fighter to the court of Emperor Charles V. Mexia will discover and expose math crime conspiracy among the Emperor's ministers.

    1548: Writer, humanist, and historian Pedro Mexía appointed consulting crime-fighter to the court of Emperor Charles V. Mexia will discover and expose math crime conspiracy among the Emperor's ministers.

  • 1707: Mathematician and physicist Leonhard Euler born. He will make important and influential discoveries in many branches of mathematics, and will introduce much of the modern mathematical terminology and notation, such as the notion of a mathematical function.

    1707: Mathematician and physicist Leonhard Euler born. He will make important and influential discoveries in many branches of mathematics, and will introduce much of the modern mathematical terminology and notation, such as the notion of a mathematical function.

  • 1764: Astronomer and mathematician Peder Horrebow dies. he invent a way to determine a place's latitude from the stars.

    1764: Astronomer and mathematician Peder Horrebow dies. he invent a way to determine a place's latitude from the stars.

  • 1805: Emperor grants the patent for Jacquard’s loom to the city of Lyon. In return, Jacquard received a lifelong pension of 3,000 francs.

    1805: Emperor grants the patent for Jacquard’s loom to the city of Lyon. In return, Jacquard received a lifelong pension of 3,000 francs.

  • 1854: Scientist and inventor Johann Philipp Reis uses scrying engine technology to fight crimes against mathematical constants.

    1854: Scientist and inventor Johann Philipp Reis uses scrying engine technology to fight crimes against mathematical constants.

  • 1911: Physicist Johannes Bosscha Jr. dies. He made important investigations on galvanic polarization and the rapidity of sound waves; he was one of the first (1855) to suggest the possibility of sending two messages simultaneously over the same wire.

    1911: Physicist Johannes Bosscha Jr. dies. He made important investigations on galvanic polarization and the rapidity of sound waves; he was one of the first (1855) to suggest the possibility of sending two messages simultaneously over the same wire.

  • 1926: Aviator Charles Lindbergh opens service on the newly designated 278-mile (447 km) Contract Air Mail Route #2 (CAM-2) to provide service between St. Louis and Chicago (Maywood Field) with two intermediate stops in Springfield and Peoria, Illinois.

    1926: Aviator Charles Lindbergh opens service on the newly designated 278-mile (447 km) Contract Air Mail Route #2 (CAM-2) to provide service between St. Louis and Chicago (Maywood Field) with two intermediate stops in Springfield and Peoria, Illinois.

  • 1936: Albert Einstein and Alice Beta Conducting Research wins Pulitzer award for "most prescient illustration of the decade".

    1936: Albert Einstein and Alice Beta Conducting Research wins Pulitzer award for "most prescient illustration of the decade".

  • 2017: Math photographer Cantor Parabola attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.

    2017: Math photographer Cantor Parabola attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.

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