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William Hallowes Miller

William Hallowes Miller
Ganwyd6 Ebrill 1801 Edit this on Wikidata
Llanymddyfri Edit this on Wikidata
Bu farw20 Mai 1880 Edit this on Wikidata
Caergrawnt Edit this on Wikidata
DinasyddiaethBaner Cymru Cymru
Alma mater
Galwedigaethffisegydd, academydd, grisialegydd Edit this on Wikidata
Cyflogwr
Gwobr/auCymrawd y Gymdeithas Frenhinol, Medal Brenhinol, Medal Brenhinol, Cymrawd Cymdeithas Frenhinol Caeredin Edit this on Wikidata

Crisialegydd Cymreig oedd William Hallowes Miller (6 Ebrill 180120 Mai 1880), a hanodd o'r Felindre, Llangadog, Sir Gaerfyrddin.[1] Sefydlydd wyddoniaeth grisial a elwir yn 'grisialegaeth'. Er iddo raddio yn 1826 mewn mathemateg yng Ngholeg Sant Ioan, Caergrawnt, yn 31 oed, cafodd ei benodi'n Athro adran mwynoleg y coleg yn 1832.[2]

Caiff ei gysylltu gyda dwy gangen o wyddoniaeth: adnabyddwyd ei theori grisialaeth drwy'r byd fel 'System Miller', ac mae ei waith ar grisialau'n dal i enyn parch ac edmygedd hyd heddiw. Cyhoeddodd ei waith mewn erthygl o'r enw Treatise on Crystallography yn 1839.[3]

Roedd hefyd yn un o'r gwyddonwyr pwysicaf i ddylanwadu ar system mesur a phwysau Senedd Lloegr yn 1834.

Cyfeiriadau

[golygu | golygu cod]
  1. "Obituary Notice - William Hallowes Miller". Proceedings of the Royal Society of London 31: ii – vii. 1880–1881. https://books.google.com/books?id=vt2FOl_eH5MC&dq=William+Hallowes+Miller&pg=RA1-PA522.
  2.  Mae un neu ragor o'r brawddegau yn cynnwys testun sydd bellach yn y parth cyhoeddusChisholm, Hugh, gol. (1911). "Miller, William Hallowes". Encyclopædia Britannica. 18 (arg. 11th). Cambridge University Press. t. 465.CS1 maint: ref=harv (link)
  3. Oxford English Dictionary Online, Mai 2007
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William Hallowes Miller
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