Template:Selected anniversaries/August 4: Difference between revisions

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||1719: Johann Gottlob Lehmann born ... mineralogist and geologist. Pic.
||1719: Johann Gottlob Lehmann born ... mineralogist and geologist. Pic.


||1753: Gottfried Silbermann dies ... builder of keyboard instruments. He built harpsichords, clavichords, organs, and fortepianos; his modern reputation rests mainly on the latter two. Pic search: https://www.google.com/search?q=gottfried+silbermann
||1753: Gottfried Silbermann dies ... builder of keyboard instruments. He built harpsichords, clavichords, organs, and fortepianos; his modern reputation rests mainly on the latter two. Pic search.


File:William Rowan Hamilton.png|link=William Rowan Hamilton (nonfiction)|1805: Physicist, astronomer, and mathematician [[William Rowan Hamilton (nonfiction)|William Rowan Hamilton]] born. He will make important contributions to classical mechanics, optics, and algebra, inventing the [[Quaternion (nonfiction)|quaternion]].
File:William Rowan Hamilton.png|link=William Rowan Hamilton (nonfiction)|1805: Physicist, astronomer, and mathematician [[William Rowan Hamilton (nonfiction)|William Rowan Hamilton]] born. He will make important contributions to classical mechanics, optics, and algebra, inventing the [[Quaternion (nonfiction)|quaternion]].
File:André-Marie_Ampère.jpg|link=André-Marie Ampère (nonfiction)|1833: Physicist and mathematician [[André-Marie Ampère (nonfiction)|André-Marie Ampère]] uses principles of electromagnetism, which he referred to as "electrodynamics", to detect and prevent [[crimes against mathematical constants]].


File:John Venn.jpg|link=John Venn (nonfiction)|1834: Mathematician and philosopher [[John Venn (nonfiction)|John Venn]] born. He will invent the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.
File:John Venn.jpg|link=John Venn (nonfiction)|1834: Mathematician and philosopher [[John Venn (nonfiction)|John Venn]] born. He will invent the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.
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||1909: Saunders Mac Lane born ... mathematician who co-founded category theory with Samuel Eilenberg. Pic.
||1909: Saunders Mac Lane born ... mathematician who co-founded category theory with Samuel Eilenberg. Pic.


||1912: Aleksandr Danilovich Aleksandrov born ... mathematician, physicist, and mountaineer. Pic search yes: https://www.google.com/search?q=aleksandr+danilovich+aleksandrov
||1912: Aleksandr Danilovich Aleksandrov born ... mathematician, physicist, and mountaineer. Pic search.


||1920: Mathematician and academic Karl Rohn dies.  He studied algebraic space curves and completed the classification work of Georges Halphen and Max Noether. Pic.
||1920: Mathematician and academic Karl Rohn dies.  He studied algebraic space curves and completed the classification work of Georges Halphen and Max Noether. Pic.
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||1921: Konstantin Sergeevich Mereschkowski dies ... biologist and botanist, active mainly around Kazan, whose research on lichens led him to propose the theory of symbiogenesis.
||1921: Konstantin Sergeevich Mereschkowski dies ... biologist and botanist, active mainly around Kazan, whose research on lichens led him to propose the theory of symbiogenesis.


||1926: George Irving Bell born ... physicist, biologist, and mountaineer. Pic search yes: https://www.google.com/search?q=George+Irving+Bell&oq=George+Irving+Bell
||1924: Mohamed M. Atalla born ...engineer, physical chemist, cryptographer, inventor and entrepreneur. His pioneering work in semiconductor technology laid the foundations for modern electronics. Pic.
 
||1926: George Irving Bell born ... physicist, biologist, and mountaineer. Pic search.


||1927: Daniel Marinus Kan born ... mathematician working in homotopy theory. Pic.
||1927: Daniel Marinus Kan born ... mathematician working in homotopy theory. Pic.
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||1945: Gerhard Gentzen dies ... mathematician and logician. He made major contributions to the foundations of mathematics, proof theory, especially on natural deduction and sequent calculus. He died in 1945 after the Second World War, because he was deprived of food after being arrested in Prague. Pic.
||1945: Gerhard Gentzen dies ... mathematician and logician. He made major contributions to the foundations of mathematics, proof theory, especially on natural deduction and sequent calculus. He died in 1945 after the Second World War, because he was deprived of food after being arrested in Prague. Pic.


File:Solomon Kullback.jpg|link=Solomon Kullback (nonfiction)|1963: Cryptanalyst, mathematician, and crime-fighter [[Solomon Kullback (nonfiction)|Solomon Kullback]] visits the [[Nested Radical]] coffeehouse in [[New Minneapolis, Canada]], where he gives an impromptu lecture on the application of data processing technology to the interpretation of [[cryptographic numina]].
||1948: Mileva Maric dies ... physicist. Einstein collaboration debate, love child unknown fate. Pic.


||1964: Gulf of Tonkin incident: U.S. destroyers USS Maddox and USS Turner Joy report coming under attack in the Gulf of Tonkin.
||1964: Gulf of Tonkin incident: U.S. destroyers USS Maddox and USS Turner Joy report coming under attack in the Gulf of Tonkin.
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||2013: Daniel Marinus Kan dies ... mathematician working in homotopy theory. Pic.
||2013: Daniel Marinus Kan dies ... mathematician working in homotopy theory. Pic.


File:The Shovel.jpg|link=The Shovel|2016: ''[[The Shovel]]'' depicts [[The Custodian]] in the act of reversing contract violations by [[Egon Rhodomunde]] and [[Baron Zersetzung]].
|File:Quaternion multiplication.jpg|link=Quaternion (nonfiction)|2017: [[Quaternion (nonfiction)|Quaternion multiplication table]] sells for five hundred thousand dollars.
File:Fire Dance.jpg|link=Fire Dance (nonfiction)|2018: Chromatographic analysis of ''[[Fire Dance (nonfiction)|Fire Dance]]'' reveals "at least five hundred" previously unknown shades of [[Red (nonfiction)|red]].


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Latest revision as of 11:01, 7 February 2022

  • 1805: Physicist, astronomer, and mathematician William Rowan Hamilton born. He will make important contributions to classical mechanics, optics, and algebra, inventing the quaternion.

    1805: Physicist, astronomer, and mathematician William Rowan Hamilton born. He will make important contributions to classical mechanics, optics, and algebra, inventing the quaternion.

  • 1834: Mathematician and philosopher John Venn born. He will invent the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.

    1834: Mathematician and philosopher John Venn born. He will invent the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.

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