Henry Martyn Taylor
Encyclopedia
Henry Martyn Taylor, F.R.S., F.R.A.S. (6 June 1842, Bristol
Bristol
Bristol is a city, unitary authority area and ceremonial county in South West England, with an estimated population of 433,100 for the unitary authority in 2009, and a surrounding Larger Urban Zone with an estimated 1,070,000 residents in 2007...

 – 16 October 1927, Cambridge
Cambridge
The city of Cambridge is a university town and the administrative centre of the county of Cambridgeshire, England. It lies in East Anglia about north of London. Cambridge is at the heart of the high-technology centre known as Silicon Fen – a play on Silicon Valley and the fens surrounding the...

), was an English
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 mathematician
Mathematician
A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

 and barrister
Barrister
A barrister is a member of one of the two classes of lawyer found in many common law jurisdictions with split legal professions. Barristers specialise in courtroom advocacy, drafting legal pleadings and giving expert legal opinions...

.

Henry Martyn Taylor was the second son of the Rev. James Taylor and Eliza Johnson. He was educated in Wakefield
Wakefield
Wakefield is the main settlement and administrative centre of the City of Wakefield, a metropolitan district of West Yorkshire, England. Located by the River Calder on the eastern edge of the Pennines, the urban area is and had a population of 76,886 in 2001....

 and at Trinity College, Cambridge
Trinity College, Cambridge
Trinity College is a constituent college of the University of Cambridge. Trinity has more members than any other college in Cambridge or Oxford, with around 700 undergraduates, 430 graduates, and over 170 Fellows...

, where he graduated B.A. as 3rd Wrangler in 1865.

He was elected a Fellow of the Royal Society in Jun 1898. His candidacy citation read that he was "Barrister-at-Law. Fellow of Trinity College, Cambridge. Ex-Tutor of Trinity College, Cambridge. Third Wrangler and Second Smith's Prizeman in 1865. Author of papers in the Mathematical Messenger, as follows: - Vol iii, p 189, Geometrical Explanation of the Equations for the Longitude of the Node and the Inclination of the Orbit'; vol v, p 1, 1876, 'On the Generation of Developable Surface through Two given Curves'; vol vii, p 22, 1877, 'On Certain Series in Trigonometry'; vol vii, p 145, 1877, 'On the Porism of the Ring of Circles touching Two Circles'; vol xi, p 177, 'On a Six-point Circle connected with a Triangle'; vol xiii, p 145, 'On a Cubic Surface'; vol xvi, p 39, 'On a Geometrical Interpretation of the Algebraic Expression which, equated to Zero, represents a Curve or a Surface'; vol xvi, p 143, 'Extension of an Inversion Property.' In the Proceedings, London Mathematical Society: - Vol v, p 105, 1874, 'Inversion, with Special Reference to the Inversion of an Anchor Ring or Torus'; vol xiii, p 102, 'A Geometrical Theorem concerning the Division of a 'p-gons' (with R C Rowe); vol xv, p 122, 'The Relations of the Intersections of a Circle with a Triangle'; vol xx, p 422, a Geometrical note 'On the Developable Surface through Two Coics Inscribed (or Escribed) in Two of the Faces of a Tetrahedron.' In the Quarterly Journal of Mathematics: - Vol xxiv, p 55, 'On the Centre of an Algebrical Curve'; vol xxvi, p 148, 'Orthogonal Conics'; vol xxvi, p 214, 'Orthogonal Quadrics.' In the Philosophical Magazine: - Vol 1, p 221, 1876, 'On the Relative Values of the Pieces in Chess.' Philosophical Transactions, vol clxxxv, pp 37–69, 1894, 'On a Special Form of the General Equation of a Cubic Surface'; and 'On a Diagram representing the Twenty-seven Lines on the Surface.' Writer of the article on Geometrical Conics in the last-edition of Encyclopædia Britannica. Editor of 'Elements of Euclid' for the Syndics of the Cambridge University Press. Author of two treatises - 'On Great-circle Sailing'; 'On a Method by which a Steamer's Lights might Shew her Course."

He devised a Braille notation when he was overtaken by blindness in 1894, when engaged in the preparation of an edition of Euclid for the Cambridge University Press. By means of his ingenious and well thought out Braille notation he was enabled to transcribe many advanced scientific and mathematical works, and in 1917, with the assistance of Mr. Emblen, a blind member of the staff of the National Institute for the Blind, he perfected it. It was recognised as so comprehensive that it was soon adopted as the standard mathematical and chemical notation, and is universally used by English-speaking people.

He died in Cambridge.

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