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SIMSON, ROBERT (1687-1768)

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Originally appearing in Volume V25, Page 137 of the 1911 Encyclopedia Britannica.
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SIMSON, See also:ROBERT (1687-1768) , Scottish mathematician, the eldest son of See also:John Simson of Kirktonhill in See also:Ayrshire, was See also:born on the 4th of See also:October 1687. He was intended for the See also:church, but the See also:bent of his mind was towards See also:mathematics, and, when a prospect opened of his succeeding to the mathematical See also:chair at the university of See also:Glasgow, he p eceeded to See also:London for further study. After a See also:year in London he returned to Glasgow, and in 1711 was appointed by the university to the professorship of mathematics, an See also:office which he retained until 1761. He died on the 1st of October 1768. Simson's contributions to mathematical knowledge took the See also:form of See also:critical See also:editions and commentaries on the See also:works of the See also:ancient geometers. The first of his published writings is a See also:paper in the Philosophical Transactions (1723, vol. xl. p. 330) on See also:Euclid's Porisms (q.v.). Then followed Sectionum conicarum libri V. (See also:Edinburgh, 1735), a second edition of which, with additions, appeared in 1750. The first three books of this See also:treatise were translated into See also:English, and several times printed as The Elements of the Conic Sections. In 1749 was published Apollonii Pergaei locorum planorum libri II., a restoration of See also:Apollonius's lost treatise, founded on the lemmas given in the seventh See also:book of Pappus's Mathematical Collection. In 1756 appeared, both in Latin and in English, the first edition of his Euclid's Elements.

This See also:

work, which contained only the first six and the See also:eleventh and twelfth books, and to which in its English version he added the Data in 1762, was for See also:long the See also:standard See also:text of Euclid in See also:England. After his See also:death restorations of Apollonius's treatise De See also:section determinata and of Euclid's treatise De Pori tnatibus were printed for private circulation in R.-See also:SIN 137 1776 at the expense of See also:Earl See also:Stanhope, in a See also:volume with the See also:title Roberti Simson See also:opera quaedam reliqua. The volume contains also See also:dissertations on Logarithms and on the Limits of Quantities and Ratios, and a few problems illustrative of the ancient geometrical See also:analysis. See W. Trail, See also:Life and Writings of Robert Simson (1812); C. See also:Hutton, Mathematical and Philosophical See also:Dictionary (1815). SIMSON, See also:WILLIAM (1800-1847), Scottish portrait, landscape and subject painter, was born at See also:Dundee in 1800. He studied under See also:Andrew See also:Wilson at the Trustees' See also:Academy, Edinburgh, and his See also:early pictures—landscape and marine subjects—found a ready See also:sale. He next turned his See also:attention to figure See also:painting, producing in 1829 the " Twelfth of See also:August," which was followed in 183o by " Sportsmen Regaling " and a " Highland See also:Deer-stalker." In the latter year he was elected a member of the Scottish Academy; and, having acquired some means by portrait-painting, he spent three years in See also:Italy, and on his return in 1838 settled in London, where he exhibited his " Camaldolese See also:monk showing See also:Relics," his " See also:Cimabue and See also:Giotto," his " Dutch See also:Family," and his " See also:Columbus and his See also:Child " at the See also:Convent of See also:Santa Maria la Rabida. He died in London on the 29th of August 1847. Simson is greatest as a landscapist; his " Solway See also:Moss—Sunset," exhibited in the Royal Scottish Academy of 1831 and now in the See also:National See also:Gallery, Edinburgh, ranks as one of the finest examples of the early Scottish school of landscape. His See also:elder See also:brother See also:George (1791-1862), portrait-painter, was also a member of the Royal Scottish Academy, and his younger brother See also:David (d.

1874) practised as a landscape-painter.

End of Article: SIMSON, ROBERT (1687-1768)

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