Template:Selected anniversaries/April 23: Difference between revisions

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||1919: Oleg Vladimirovich Penkovsky born ... codenamed HERO, was a Soviet military intelligence (GRU) colonel during the late 1950s and early 1960s. Penkovsky was responsible for informing the United Kingdom about the Soviet emplacement of missiles in Cuba, thus providing both the UK and the United States with the precise knowledge necessary to address rapidly developing military tensions with Soviet Russia. Pic.
||1919: Oleg Vladimirovich Penkovsky born ... codenamed HERO, was a Soviet military intelligence (GRU) colonel during the late 1950s and early 1960s. Penkovsky was responsible for informing the United Kingdom about the Soviet emplacement of missiles in Cuba, thus providing both the UK and the United States with the precise knowledge necessary to address rapidly developing military tensions with Soviet Russia. Pic.


||1930: Henry Ernest Dudeney dies ... author and mathematician who specialised in logic puzzles and mathematical games. He is known as one of the country's foremost creators of mathematical puzzles. Pic.
||1930: Henry Ernest Dudeney dies ... author and mathematician who specialized in logic puzzles and mathematical games. He is known as one of the country's foremost creators of mathematical puzzles. Pic.


File:Annie Easley.jpg|link=Annie Easley (nonfiction)|1933: Computer scientist, mathematician, and engineer [[Annie Easley (nonfiction)|Annie Easley]] born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.
File:Annie Easley.jpg|link=Annie Easley (nonfiction)|1933: Computer scientist, mathematician, and engineer [[Annie Easley (nonfiction)|Annie Easley]] born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.
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File:Worcester Lunch Car Company (Research Division).jpg|link=Flying Diner|1955: The [[Flying Diner]] begins twice-daily breakfast and lunch flights between Saint Paul, Minnesota and [[New Minneapolis, Canada]].
File:Worcester Lunch Car Company (Research Division).jpg|link=Flying Diner|1955: The [[Flying Diner]] begins twice-daily breakfast and lunch flights between Saint Paul, Minnesota and [[New Minneapolis, Canada]].


||1956: Sir Edward Wilfred Harry Travis dies ... cryptographer and intelligence officer, becoming the operational head of Bletchley Park during World War II, and later the head of GCHQ. Pic.
File:Harry_Hinsley,_Edward_Travis,_and_John_Tiltman_in_Washington,_November_1945.jpg|link=Edward Travis (nonfiction)|1956: Cryptographer and intelligence officer [[Edward Travis (nonfiction)|Edward Travis]] dies. Travis became the operational head of Bletchley Park during World War II, and later the head of GCHQ.


||1961: Algiers putsch by French generals.
||1961: Algiers putsch by French generals.

Revision as of 10:56, 22 April 2020

  • 1640: Mathematician, physicist, and crime-fighter Thomas Fincke uses the trigonometric functions tangent and secant to detect and prevent crimes against mathematical constants.

    1640: Mathematician, physicist, and crime-fighter Thomas Fincke uses the trigonometric functions tangent and secant to detect and prevent crimes against mathematical constants.

  • 1858: Physicist and academic Max Planck born. He will make many contributions to theoretical physics, earning fame as the originator of quantum theory.

    1858: Physicist and academic Max Planck born. He will make many contributions to theoretical physics, earning fame as the originator of quantum theory.

  • 1859: Artificial intelligence and alleged supervillain Gnotilus manifests itself as three-stage Klein bottle. This will quickly lead to a major spike in crimes against mathematical constants, as well as outbreaks of Scrimshaw abuse.

    1859: Artificial intelligence and alleged supervillain Gnotilus manifests itself as three-stage Klein bottle. This will quickly lead to a major spike in crimes against mathematical constants, as well as outbreaks of Scrimshaw abuse.

  • 1869: Inventor Edward Hugh Hebern born. He will be a pioneer of rotor encryption machines.

    1869: Inventor Edward Hugh Hebern born. He will be a pioneer of rotor encryption machines.

  • 1933: Computer scientist, mathematician, and engineer Annie Easley born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.

    1933: Computer scientist, mathematician, and engineer Annie Easley born. She will be a leading member of the team which develops software for the Centaur rocket stage, and one of the first African-Americans to work as a computer scientist at NASA.

  • 1933: Mathematician and crime fighter Alice Beta stops the Forbidden Ratio from kidnapping newborn infant Annie Easley. The Forbidden Ratio is one of several criminal mathematical functions which prey upon mathematicians and other scientists.

    1933: Mathematician and crime fighter Alice Beta stops the Forbidden Ratio from kidnapping newborn infant Annie Easley. The Forbidden Ratio is one of several criminal mathematical functions which prey upon mathematicians and other scientists.

  • 1941: Computer programmer and engineer Ray Tomlinson born. He will implement the first email system on the the ARPANET system, including the "@" separator which is still in use today.

    1941: Computer programmer and engineer Ray Tomlinson born. He will implement the first email system on the the ARPANET system, including the "@" separator which is still in use today.

  • 1955: The Flying Diner begins twice-daily breakfast and lunch flights between Saint Paul, Minnesota and New Minneapolis, Canada.

    1955: The Flying Diner begins twice-daily breakfast and lunch flights between Saint Paul, Minnesota and New Minneapolis, Canada.

  • 1956: Cryptographer and intelligence officer Edward Travis dies. Travis became the operational head of Bletchley Park during World War II, and later the head of GCHQ.

    1956: Cryptographer and intelligence officer Edward Travis dies. Travis became the operational head of Bletchley Park during World War II, and later the head of GCHQ.

  • 1967: Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) a manned spaceflight carrying cosmonaut Colonel Vladimir Komarov is launched into orbit.

    1967: Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) a manned spaceflight carrying cosmonaut Colonel Vladimir Komarov is launched into orbit.

  • 2018: Steganographic analysis of Spiral unexpectedly reveals "at least a hundred kilobytes" of encrypted data, "probably some new function in the Gnomon algorithm family."

    2018: Steganographic analysis of Spiral unexpectedly reveals "at least a hundred kilobytes" of encrypted data, "probably some new function in the Gnomon algorithm family."

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