Template:Selected anniversaries/August 4: Difference between revisions
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||1719: Johann Gottlob Lehmann born ... mineralogist and geologist. | ||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 | |||
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]]. | ||
Revision as of 08:47, 24 January 2019
1805: Physicist, astronomer, and mathematician William Rowan Hamilton born. He will make important contributions to classical mechanics, optics, and algebra, inventing the quaternion.
1833: Physicist and mathematician André-Marie Ampère uses principles of electromagnetism, which he referred to as "electrodynamics", to detect and prevent crimes against mathematical constants.
1834: Mathematician and philosopher John Venn born. He will invent the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.
2016: The Shovel depicts The Custodian in the act of reversing contract violations by Egon Rhodomunde and Baron Zersetzung.
2018: Chromatographic analysis of Fire Dance reveals "at least five hundred" previously unknown shades of red.