Template:Selected anniversaries/June 15: Difference between revisions

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File:Eclipse.jpg|link=Eclipse (nonfiction)|763 BC: Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history.
File:Eclipse.jpg|link=Eclipse (nonfiction)|763 BC: Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history.
File:Johannes Trithemius.jpg|link=Johannes Trithemius (nonfiction)|1485 Feb. 1: lexicographer, chronicler, cryptographer, and occultist [[Johannes Trithemius (nonfiction)|Johannes Trithemius]] uses [[Gnomon algorithm]] techniques to generate improved solar eclipse forecasts. During the Second World War, this data will be used by German cryptographers to defeat enemy traffic analysis.


||1640: Bernard Lamy born ... mathematician and theologian. Pic.
||1640: Bernard Lamy born ... mathematician and theologian. Pic.
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||1894: Nikolai Chebotaryov born ... mathematician and theorist ... best known for the Chebotaryov density theorem. Pic.
||1894: Nikolai Chebotaryov born ... mathematician and theorist ... best known for the Chebotaryov density theorem. Pic.
||1902: Alfred Kneschke born ... mathematician, engineer and university lecturer. During the World War II, Kneschke managed the Referat IV, Section II of the Wehrmacht Signals intelligence organization General der Nachrichtenaufklärung until November 1944, working on cryptanalysis and decoding of British, USA, French and Balkan cipher systems. From Nov 1944, he worked in the OKW/Chi cipher bureau as a cryptanalyst. Pic.


File:Gordon Welchman.jpg|link=Gordon Welchman (nonfiction)|1906: Mathematician, cryptographer, and author [[Gordon Welchman (nonfiction)|Gordon Welchman]] born. During the Second World War, he will develop traffic analysis techniques for breaking German codes.
File:Gordon Welchman.jpg|link=Gordon Welchman (nonfiction)|1906: Mathematician, cryptographer, and author [[Gordon Welchman (nonfiction)|Gordon Welchman]] born. During the Second World War, he will develop traffic analysis techniques for breaking German codes.
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||1934: George W. Fuller dies ... chemist and engineer ... responsible for important innovations in water and wastewater treatment. He designed and built the first modern water filtration plant, and he designed and built the first chlorination system that disinfected a U.S. drinking water supply. In addition, he performed groundbreaking engineering work on sewage treatment facilities. Pic.
||1934: George W. Fuller dies ... chemist and engineer ... responsible for important innovations in water and wastewater treatment. He designed and built the first modern water filtration plant, and he designed and built the first chlorination system that disinfected a U.S. drinking water supply. In addition, he performed groundbreaking engineering work on sewage treatment facilities. Pic.
File:The Eel Time-Surfing 2.jpg|link=The Eel Time-Surfing 2|1939: Art critic and alleged supervillain [[The Eel]] helps break German military codes using surf-powered [[The Eel Time-Surfing 2|gnomon algorithm]] techniques.


||1962: Grace Marie Bareis dies ... mathematician. Bareis taught mathematics to World War II veterans in a class called the "Army Specialized Training Program" and even did so two years after her retirement because of a shortage of math instructors. Pic search yes: https://www.google.com/search?q=Grace+Marie+Bareis
||1962: Grace Marie Bareis dies ... mathematician. Bareis taught mathematics to World War II veterans in a class called the "Army Specialized Training Program" and even did so two years after her retirement because of a shortage of math instructors. Pic search yes: https://www.google.com/search?q=Grace+Marie+Bareis
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||2013: Kenneth G. Wilson dies ... physicist and academic, Nobel Prize laureate. Pic.
||2013: Kenneth G. Wilson dies ... physicist and academic, Nobel Prize laureate. Pic.


File:Traveller.jpg|link=Traveller (nonfiction)|2016: Steganographic analysis of ''[[Traveller (nonfiction)|Traveller]]'' reveals "several hundred kilobytes" of previously unknown [[Gnomon algorithm]] functions.
File:Ely, Minnesota water tower (15 June 2022) 20220615_191439.jpg|link=Ely, Minnesota water tower (15 June 2022)|2022: '''[[Ely, Minnesota water tower (15 June 2022)|Ely, Minnesota water tower]]'''.


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Latest revision as of 12:03, 15 June 2024

  • 763 BC: Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history.

    763 BC: Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history.

  • 1906: Mathematician, cryptographer, and author Gordon Welchman born. During the Second World War, he will develop traffic analysis techniques for breaking German codes.

    1906: Mathematician, cryptographer, and author Gordon Welchman born. During the Second World War, he will develop traffic analysis techniques for breaking German codes.

  • 1995: Physicist, inventor, and academic John Vincent Atanasoff dies. He invented the Atanasoff–Berry computer, the first electronic digital computer.

    1995: Physicist, inventor, and academic John Vincent Atanasoff dies. He invented the Atanasoff–Berry computer, the first electronic digital computer.

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