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Alexander Ross Clarke

1828 – 1914

British geodesist

SurveyorGeodesistEngineer

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About Alexander Ross Clarke

Lived 1828 – 1914 (aged 85). Alexander Ross Clarke was a British surveyor, geodesist and engineer, known for Geodesy, Principal Triangulation of Great Britain and Reference ellipsoid.

Alexander Ross Clarke FRS FRSE (1828–1914) was a British geodesist, primarily remembered for his calculation of the Principal Triangulation of Britain, the calculation of the Figure of the Earth (1858, 1860, 1866, 1880) and one of the most important text books of Geodesy (1880). He was a military officer of the Royal Engineers employed on the Ordnance Survey, attaining the rank of colonel.

Biographical details

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Important facts

Born

16 December 1828, Reading

Birth century

19th century

Died

11 February 1914, Reigate

Occupation

Surveyor, geodesist, engineer

Nationality

United Kingdom of Great Britain and Ireland

Known for

Geodesy, Principal Triangulation of Great Britain, Reference ellipsoid

Awards

Fellow of the Royal Society; Royal Medal; Order of the Bath

Also known as

Alexander Clarke, Alex.Ross Clarke, A. R. C.

People in Alexander Ross Clarke's life

Named in this biography and alive at the same time

Alexander Ross

1783 – 1856

Explorer

Contemporaries

People whose lives overlapped Alexander Ross Clarke's

Antoine César Becquerel

1788 – 1878

Physicist

William Pulteney Alison

Nikolai Ivanovich Lobachevsky

1792 – 1856

Mathematician

Roderick Murchison, 1st Baronet

1792 – 1871

Botanist

Frequently asked questions

Who was Alexander Ross Clarke?

British geodesist (1828–1914)

When was Alexander Ross Clarke born?

Alexander Ross Clarke was born on 16 December 1828 in Reading.

When did Alexander Ross Clarke die?

Alexander Ross Clarke died on 11 February 1914 in Reigate.

What was Alexander Ross Clarke's occupation?

Alexander Ross Clarke was a surveyor, geodesist and engineer.

What was Alexander Ross Clarke known for?

Alexander Ross Clarke was known for Geodesy, Principal Triangulation of Great Britain and Reference ellipsoid.

What nationality was Alexander Ross Clarke?

Alexander Ross Clarke was British.

Sources & further reading

· Wikipedia: Alexander Ross Clarke

· Wikidata: Q595699

· DBpedia: Alexander Ross Clarke

Cite this page

APA: Biography.guide. (2026). Alexander Ross Clarke. https://biography.guide/alexander-ross-clarke/

MLA: "Alexander Ross Clarke." Biography.guide, https://biography.guide/alexander-ross-clarke/.

Chicago: "Alexander Ross Clarke." Biography.guide. https://biography.guide/alexander-ross-clarke/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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