Matthew Stewart (mathematician)









Colour print of Matthew Stewart


Rev Dr Matthew Stewart DD FRS FRSE (1717 –1785) was a Scottish mathematician and minister of the Church of Scotland.[1][2]




Contents






  • 1 Life


  • 2 Family


  • 3 Notes


  • 4 See also


  • 5 External links





Life


He was born in the manse at Rothesay, on the Isle of Bute, on 15 January 1717,[3] the son of Rev Dugald Stewart, the local minister, and his wife, Janet Bannantyne.[4]


He was educated at Rothesay Grammar School, then entered the University of Glasgow in 1734, where he studied under the philosopher Francis Hutcheson and the mathematician Robert Simson, the latter from whom he studied ancient geometry. A close friendship developed between Simson and Stewart, in part because of their mutual admiration of Pappus of Alexandria, which resulted in many curious communications with respect to the De Locis Planis of Apollonius of Perga and the Porisms of Euclid over the years.[5] This correspondence suggests that Stewart spent several weeks in Glasgow starting May 1743 assisting Robert Simson in the production of his Apollonii Pergaei locorum planorum libri II, which was published in 1749.


However, his father persuaded him to enter the ministry (this was a normal father-son expectation in the ministry). He studied Divinity at Edinburgh University in the year 1742/43 also attending maths lectures under Colin Maclaurin. He was licensed by the Presbytery of the Church of Scotland of Dunoon in May 1744, and became a minister at Rosneath in Dumbartonshire one year later.


In 1746, following the death of Colin Maclaurin, the chair as Professor of Mathematics became vacant at Edinburgh University and just over one year later Stewart left the ministry to become Professor of Mathematics. Publication of his best known work, Some General Theorems of Considerable use in the Higher Parts of Mathematics may have helped him secure the post.[6] This book extended some ideas of Robert Simson and is best known for proposition II, or what is now known as Stewart's theorem, which relates measurements on a triangle to an additional line through a vertex.[7] Stewart also provided a solution to Kepler's problem using geometrical methods in 1756,[8] and a book describing planetary motion and the perturbation of one planet on another in 1761, along with a supplement on the distance between the sun and earth in 1763.[9]


In 1772 his health began to deteriorate and his duties as professor at Edinburgh were initially shared, then taken over by, his son Dugald Stewart, who later became a prominent Scottish philosopher. Matthew ceased teaching in 1775 but continued to play a role in Edinburgh society, most notably being a joint founder of the Royal Society of Edinburgh in 1783.[10]


He died at Catrine, Ayrshire on 23 January 1785, but was buried at Greyfriars Kirkyard in central Edinburgh. As the burial was during a period of strict regulation of stones (effectively a ban) the grave is unmarked.



Family


He married Marjory Stewart, a cousin.


He was father to the philosopher Dugald Stewart.


He was the father-in-law of the physician Patrick Miller FRSE (1782-1871)[11] and grandfather of Colonel Matthew Stewart (c.1784-1851).[12]



Notes




  1. ^ Playfair, John (1788). "Account of Matthew Stewart, D.D." Transactions of the Royal Society of Edinburgh. 1: 57–76..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^  Lee, Sidney, ed. (1898). "Stewart, Matthew (1717-1785)". Dictionary of National Biography. 54. London: Smith, Elder & Co. pp. 336–337.


  3. ^ Carlyle, E. I. (2004). "Stewart, Matthew (1717–1785)". Oxford Dictionary of National Biography (Online ed.). Oxford University Press. doi:10.1093/ref:odnb/26498. Retrieved 2015-10-05.
    (subscription or UK public library membership required)


  4. ^ Biographical Index of Former Fellows of the Royal Society of Edinburgh 1783–2002 (PDF). The Royal Society of Edinburgh. July 2006. ISBN 0 902 198 84 X.


  5. ^ John Playfair, Biographical Account of Matthew Stewart, D.D., Transactions of the Royal Society of Edinburgh, Vol. 1 (1788). The correspondence appears in J.S. Mackay, Mathematical correspondence - Robert Simson, Matthew Stewart, James Stirling, Proceedings of the Edinburgh Mathematics Society, Vol. 21 (1903), pp. 2-39.


  6. ^ Downloadable version available in Google Books.


  7. ^ See video presentation on YouTube: https://www.youtube.com/watch?v=cRebl8I0lKk


  8. ^ Second volume of the Essays of the Philosophical Society of Edinburgh


  9. ^ Tracts Physical and Mathematical and The Distance of the Sun from the Earth determined by the Theory of Gravity respectively. The latter work overestimated the distance by more than 25%, for which his geometrical method received some criticism for being oversimplified.


  10. ^ Biographical Index of Former Fellows of the Royal Society of Edinburgh 1783–2002 (PDF). The Royal Society of Edinburgh. July 2006. ISBN 0 902 198 84 X.


  11. ^ http://munksroll.rcplondon.ac.uk/Biography/Details/3103


  12. ^ Waterston, Charles D.; Macmillan Shearer, A. (July 2006). Former Fellows of the Royal Society of Edinburgh 1783-2002: Biographical Index (PDF). II. Royal Society of Edinburgh. ISBN 978-0-902198-84-5. Archived from the original (PDF) on 2006-10-04. Retrieved 2010-09-29.



See also


  • Stewart's theorem


External links






  • Matthew Stewart








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