Template:Selected anniversaries/April 16: Difference between revisions

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||1783: Christian Mayer dies ... astronomer and educator. He is most noted for pioneering the study of binary stars, although his equipment was ill-suitable for distinguishing between true binaries and coincident star alignments. In 1777-78 he compiled a catalog of 80 double stars, which he published in 1781. Pic.
||1783: Christian Mayer dies ... astronomer and educator. He is most noted for pioneering the study of binary stars, although his equipment was ill-suitable for distinguishing between true binaries and coincident star alignments. In 1777-78 he compiled a catalog of 80 double stars, which he published in 1781. Pic.


||1788: Georges-Louis Leclerc, Comte de Buffon dies ... mathematician, cosmologist, and author.
||1788: Georges-Louis Leclerc, Comte de Buffon dies ... mathematician, cosmologist, and author. Pic.


||1816: Benjamin Jesty dies ... was a farmer at Yetminster in Dorset, England, notable for his early experiment in inducing immunity against smallpox using cowpox. Pic.
||1816: Benjamin Jesty dies ... was a farmer at Yetminster in Dorset, England, notable for his early experiment in inducing immunity against smallpox using cowpox. Pic.


||1820: Victor Alexandre Puiseux born ... mathematician and astronomer. Puiseux series are named after him, as is in part the Bertrand–Diquet–Puiseux theorem.  
||1820: Victor Puiseux born ... mathematician and astronomer. Puiseux series are named after him, as is in part the Bertrand–Diquet–Puiseux theorem. Pic.


||1823: Gotthold Eisenstein born ... mathematician and academic ... specialized in number theory and analysis, and proved several results that eluded even Gauss. Pic.
||1823: Gotthold Eisenstein born ... mathematician and academic ... specialized in number theory and analysis, and proved several results that eluded even Gauss. Pic.
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||1864: Thomas Blanchard dies ... inventor ... pioneered the assembly line style of mass production in America, and also invented the major technological innovation known as interchangeable parts. Blanchard worked, for much of his career, with the Springfield Armory. In 1825, Blanchard also invented America's first car, which he called a "horseless carriage," powered by steam. Pic.
||1864: Thomas Blanchard dies ... inventor ... pioneered the assembly line style of mass production in America, and also invented the major technological innovation known as interchangeable parts. Blanchard worked, for much of his career, with the Springfield Armory. In 1825, Blanchard also invented America's first car, which he called a "horseless carriage," powered by steam. Pic.


||1867: Wilbur Wright born ... inventor.
||1867: Wilbur Wright born ... inventor. Pic.


||1881: In Dodge City, Kansas, Bat Masterson fights his last gun battle.
||1881: In Dodge City, Kansas, Bat Masterson fights his last gun battle.

Revision as of 08:30, 15 April 2019

  • April 16, 1178 BC: A solar eclipse occurs. Homer's Odyssey contains a passage which may reference the eclipse: "The Sun has been obliterated from the sky, and an unlucky darkness invades the world."

    April 16, 1178 BC: A solar eclipse occurs. Homer's Odyssey contains a passage which may reference the eclipse: "The Sun has been obliterated from the sky, and an unlucky darkness invades the world."

  • 1491: Polymath Leonardo da Vinci designs a mechanical soldier. The first working prototype will take over a decade to complete, after which da Vinci will lose all funding for the project.

    1491: Polymath Leonardo da Vinci designs a mechanical soldier. The first working prototype will take over a decade to complete, after which da Vinci will lose all funding for the project.

  • 1495: Mathematician and astronomer Petrus Apianus born. His works on cosmography, Astronomicum Caesareum (1540) and Cosmographicus liber (1524), will be extremely influential in his time.

    1495: Mathematician and astronomer Petrus Apianus born. His works on cosmography, Astronomicum Caesareum (1540) and Cosmographicus liber (1524), will be extremely influential in his time.

  • 1673: Leibniz wrote to Oldenburg about series: "I conjecture that Mr. Collins himself does not speak of these summations of infinite series because he brings forward the example of the series 1/2, 1/3, 1/4, 1/5, 1/6, ... which if it is continued to infinity cannot be summed because the sum is not finite, like the sum of the triangular numbers, but infinite. But now I am cramped by the space of my paper."

    1673: Leibniz wrote to Oldenburg about series: "I conjecture that Mr. Collins himself does not speak of these summations of infinite series because he brings forward the example of the series 1/2, 1/3, 1/4, 1/5, 1/6, ... which if it is continued to infinity cannot be summed because the sum is not finite, like the sum of the triangular numbers, but infinite. But now I am cramped by the space of my paper."

  • 1736: Philosopher and crime-fighter Red Eyes prevents gang of math criminals from kidnapping Leibniz and Newton.

    1736: Philosopher and crime-fighter Red Eyes prevents gang of math criminals from kidnapping Leibniz and Newton.

  • 1705: Physicist and mathematician Isaac Newton knighted by Queen Anne at Trinity College.

    1705: Physicist and mathematician Isaac Newton knighted by Queen Anne at Trinity College.

  • 1958: Chemist and X-ray crystallographer Rosalind Franklin dies. She made contributions to the discovery of the molecular structure of DNA (deoxyribonucleic acid).

    1958: Chemist and X-ray crystallographer Rosalind Franklin dies. She made contributions to the discovery of the molecular structure of DNA (deoxyribonucleic acid).

  • 1958: Combat physician and alleged time-traveller Asclepius Myrmidon prevents Colonel Zersetzung from detonating the Tybee Bomb.

    1958: Combat physician and alleged time-traveller Asclepius Myrmidon prevents Colonel Zersetzung from detonating the Tybee Bomb.

  • 1958: The United States military announces that the search for hydrogen bomb known as the Tybee Bomb was unsuccessful.

    1958: The United States military announces that the search for hydrogen bomb known as the Tybee Bomb was unsuccessful.

  • 1962: Brainiac Explains lecture series explains why Colonel Zersetzung failed to detonate the Tybee Bomb.

    1962: Brainiac Explains lecture series explains why Colonel Zersetzung failed to detonate the Tybee Bomb.

  • 2008: Mathematician Edward Lorenz dies. He introduced the strange attractor notion, and coined the term butterfly effect.

    2008: Mathematician Edward Lorenz dies. He introduced the strange attractor notion, and coined the term butterfly effect.

  • 2008: Lorenz system diagram says it "owes everything to Papa Lorenz."

    2008: Lorenz system diagram says it "owes everything to Papa Lorenz."

  • 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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