Template:Selected anniversaries/December 1: Difference between revisions

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||1729: Giacomo F. Maraldi dies ... astronomer and mathematician. ... discovery ... the ice caps on Mars are not exactly on the rotational poles of that body. Maraldi is also credited for the first observation (1723) of what is usually referred to as Poisson's spot, an observation that was unrecognized until its rediscovery in the early 19th century by Dominique Arago. At the time of Arago's discovery, Poisson's spot gave convincing evidence for the contested wave nature of light. No pic online: https://www.google.com/search?q=Giacomo+F.+Maraldi
||1729: Giacomo F. Maraldi dies ... astronomer and mathematician. ... discovery ... the ice caps on Mars are not exactly on the rotational poles of that body. Maraldi is also credited for the first observation (1723) of what is usually referred to as Poisson's spot, an observation that was unrecognized until its rediscovery in the early 19th century by Dominique Arago. At the time of Arago's discovery, Poisson's spot gave convincing evidence for the contested wave nature of light. No pic online: https://www.google.com/search?q=Giacomo+F.+Maraldi


||1743: Martin Heinrich Klaproth born ... chemist and academic.
||1743: Martin Heinrich Klaproth born ... chemist and academic ... discovered uranium (1789), zirconium (1789), and cerium (1803), and named titanium (1795) and tellurium (1798). Pic.


File:Johann Gabriel Doppelmayr.jpg|link=Johann Gabriel Doppelmayr (nonfiction)|1750: Mathematician, astronomer, and cartographer [[Johann Gabriel Doppelmayr (nonfiction)|Johann Gabriel Doppelmayr]] dies. He published works on mathematics and astronomy, including sundials, spherical trigonometry, and celestial maps and globes, along with biographical information on several hundred mathematicians and instrument makers.
File:Johann Gabriel Doppelmayr.jpg|link=Johann Gabriel Doppelmayr (nonfiction)|1750: Mathematician, astronomer, and cartographer [[Johann Gabriel Doppelmayr (nonfiction)|Johann Gabriel Doppelmayr]] dies. He published works on mathematics and astronomy, including sundials, spherical trigonometry, and celestial maps and globes, along with biographical information on several hundred mathematicians and instrument makers.


||1768: The former slave ship Fredensborg sinks off Tromøy in Norway.
||1768: The former slave ship ''Fredensborg'' sinks off Tromøy in Norway. https://en.wikipedia.org/wiki/Fredensborg_(slave_ship) Pic.


||1792: Nikolai Lobachevsky born ... mathematician and geometer. Pic.
||1792: Nikolai Lobachevsky born ... mathematician and geometer. Pic.
||1805: Hugh Hamilton dies ... mathematician, natural philosopher (scientist) and professor at Trinity College, Dublin, and later a Church of Ireland bishop, Bishop of Clonfert and Kilmacduagh, and then Bishop of Ossory. Pic.


||1834: Slavery is abolished in the Cape Colony in accordance with the Slavery Abolition Act 1833.
||1834: Slavery is abolished in the Cape Colony in accordance with the Slavery Abolition Act 1833.

Revision as of 13:57, 30 March 2019