Template:Selected anniversaries/September 24: Difference between revisions

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||1888: Launch of ''Gymnote'', one of the world's first all-electric submarine and the first functional submarine equipped with torpedoes.
||1888: Launch of ''Gymnote'', one of the world's first all-electric submarine and the first functional submarine equipped with torpedoes.


||1889: Charles Leroux dies ... balloonist and skydiver.
||1889: Charles Leroux dies ... balloonist and skydiver. Pic (with parachute).


||1891: William F. Friedman born ... US Army cryptographer who ran the research division of the Army's Signal Intelligence Service (SIS) in the 1930s, and parts of its follow-on services into the 1950s. Pic.
||1891: William F. Friedman born ... US Army cryptographer who ran the research division of the Army's Signal Intelligence Service (SIS) in the 1930s, and parts of its follow-on services into the 1950s. Pic.

Revision as of 18:28, 31 October 2019

  • 1054: Composer, mathematician, and astronomer Hermann of Reichenau dies. He wrote a treatise on the science of music, several works on geometry and arithmetic, and astronomical treatises (including instructions for the construction of an astrolabe, at the time a very novel device in Western Europe).

    1054: Composer, mathematician, and astronomer Hermann of Reichenau dies. He wrote a treatise on the science of music, several works on geometry and arithmetic, and astronomical treatises (including instructions for the construction of an astrolabe, at the time a very novel device in Western Europe).

  • 1501: Gerolamo Cardano born. He will be one of the most influential mathematicians of the Renaissance.

    1501: Gerolamo Cardano born. He will be one of the most influential mathematicians of the Renaissance.

  • 1624: Renaissance-era mechanical soldier Clock Head uses Gnomon algorithm functions to fight crimes against mathematical constants.

    1624: Renaissance-era mechanical soldier Clock Head uses Gnomon algorithm functions to fight crimes against mathematical constants.

  • 1625: Mathematician and politician Johan de Witt born. He will derive the basic properties of quadratic forms, an important step in the field of linear algebra.

    1625: Mathematician and politician Johan de Witt born. He will derive the basic properties of quadratic forms, an important step in the field of linear algebra.

  • 1769: Polymath and crime-fighter Johann Heinrich Lambert discovers new type of Gnomon algorithm functions which convert map projections into optical projections. These projections will quickly find applications in scrying engine technology.

    1769: Polymath and crime-fighter Johann Heinrich Lambert discovers new type of Gnomon algorithm functions which convert map projections into optical projections. These projections will quickly find applications in scrying engine technology.

  • 1934: Writer and peace activist John Brunner born.

    1934: Writer and peace activist John Brunner born.

  • 1937: Alice Beta Paragliding published. Many experts believe that the illustration depicts Beta infiltrating the ENIAC program.

    1937: Alice Beta Paragliding published. Many experts believe that the illustration depicts Beta infiltrating the ENIAC program.

  • 1938: Mathematician Lev Schnirelmann dies. He proved that any natural number greater than 1 can be written as the sum of not more than C prime numbers, where C is an effectively computable constant.

    1938: Mathematician Lev Schnirelmann dies. He proved that any natural number greater than 1 can be written as the sum of not more than C prime numbers, where C is an effectively computable constant.

  • 1999: Writer, editor, and actor George Plimpton publishes his account of personally committing math crimes "for the participatory journalistic experience."

    1999: Writer, editor, and actor George Plimpton publishes his account of personally committing math crimes "for the participatory journalistic experience."

  • 2016: Spiral 2 voted Picture of the day by the citizens of New Minneapolis, Canada.

    2016: Spiral 2 voted Picture of the day by the citizens of New Minneapolis, Canada.

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