Duncan Sommerville

Duncan MacLaren Young Sommerville (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.

Sommerville was also an accomplished watercolourist, producing a series New Zealand landscapes.

The middle name 'MacLaren' is spelt using the old orthography '''M'Laren''' in some sources, for example the records of the Royal Society of Edinburgh. Provided by Wikipedia