Template:Selected anniversaries/June 19: Difference between revisions
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||1269: King Louis IX of France orders all Jews found in public without an identifying yellow badge to be fined ten livres of silver. | ||1269: King Louis IX of France orders all Jews found in public without an identifying yellow badge to be fined ten livres of silver. | ||
||1504: Bernhard Walther dies ... astronomer and humanist. | ||1504: Bernhard Walther dies ... astronomer and humanist. No DOB. Pic: residence/observatory. | ||
File:Blaise Pascal.jpg|link=Blaise Pascal (nonfiction)|1623: Mathematician, physicist, inventor, writer, and Christian philosopher [[Blaise Pascal (nonfiction)|Blaise Pascal]] born. He will do pioneering work on calculating machines. | File:Blaise Pascal.jpg|link=Blaise Pascal (nonfiction)|1623: Mathematician, physicist, inventor, writer, and Christian philosopher [[Blaise Pascal (nonfiction)|Blaise Pascal]] born. He will do pioneering work on calculating machines. | ||
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||1650: Matthäus Merian dies ... engraver and cartographer. Pic. | ||1650: Matthäus Merian dies ... engraver and cartographer. Pic. | ||
||1693: Mathematician Christian August Hausen born. | ||1693: Mathematician Christian August Hausen born. He is known for his research on electricity. Pic. | ||
File:Joseph_Diez_Gergonne.jpg|link=Joseph Diez Gergonne (nonfiction)|1771: Mathematician and logician [[Joseph Diez Gergonne (nonfiction)|Joseph Diez Gergonne]] born. He will contribute to the principle of duality in projective geometry, by noticing that every theorem in the plane connecting points and lines corresponds to another theorem in which points and lines are interchanged, provided that the theorem embodied no metrical notions. | File:Joseph_Diez_Gergonne.jpg|link=Joseph Diez Gergonne (nonfiction)|1771: Mathematician and logician [[Joseph Diez Gergonne (nonfiction)|Joseph Diez Gergonne]] born. He will contribute to the principle of duality in projective geometry, by noticing that every theorem in the plane connecting points and lines corresponds to another theorem in which points and lines are interchanged, provided that the theorem embodied no metrical notions. | ||
Revision as of 21:10, 27 February 2019
1623: Mathematician, physicist, inventor, writer, and Christian philosopher Blaise Pascal born. He will do pioneering work on calculating machines.
1624: Physician, mathematician, and crime-fighter Joseph Solomon Delmedigo publishes new class of Gnomon algorithm functions which detect and banishes demons.
1771: Mathematician and logician Joseph Diez Gergonne born. He will contribute to the principle of duality in projective geometry, by noticing that every theorem in the plane connecting points and lines corresponds to another theorem in which points and lines are interchanged, provided that the theorem embodied no metrical notions.
1795: Surgeon and gentleman scientist James Braid born. He will be an important and influential pioneer of hypnotism and hypnotherapy.
1858: Scientist and inventor Johann Philipp Reis publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1865: Asclepius Myrmidon Prepares for Emergency Field Surgery wins Pulitzer Prize for Most Heroic War Illustration of the Year.