Category:Duncan MacLaren Young Sommerville

**Duncan Sommerville**
	Scottish mathematician (1879-1934)
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Date of birth	24 November 1879; Beawar; Duncan MacLaren Young Sommerville
Date of death	31 January 1934; Wellington
Country of citizenship	New Zealand;
Educated at	University of St Andrews (1896–1900); Perth Academy (–1896);
Occupation	mathematician; astronomer; painter; historian;
Employer	Victoria University of Wellington (1915–1934); University of St Andrews (1902–1914); University of Otago (1919–1919);
Member of	Royal Society of Edinburgh; Royal Astronomical Society of New Zealand (organizational founder); Edinburgh Mathematical Society;
Field of work	geometry; history of mathematics;
Notable work	Dehn–Sommerville equations;
Award received	Hector Medal (1928); Fellow of the Royal Society Te Apārangi (1922); Fellow of the Royal Society of Edinburgh; Fellow of the Royal Astronomical Society;
Authority file
	Q5314611; ISNI: 000000010917454X; VIAF ID: 76399441; GND ID: 115609377; Library of Congress authority ID: n96040385; Bibliothèque nationale de France ID: 12388247r; IdRef ID: 083762159; Nationale Thesaurus voor Auteursnamen ID: 09747892X; NUKAT ID: n2006112946; PLWABN ID: 9810629790405606; National Library of Israel J9U ID: 987007281650705171; Open Library ID: OL1394961A; Mathematics Genealogy Project ID: 268382; Europeana entity: agent/base/6258
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English: Duncan MacLaren Young Sommerville FRSE FRAS (1879–1934) was a Scottish mathematician and astronomer. He compiled a bibliography on non-Euclidean geometry and also wrote a leading textbook in that field. He also wrote Introduction to the Geometry of N Dimensions, advancing the study of polytopes. He was a co-founder and the first secretary of the New Zealand Astronomical Society.

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