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Robert Simson (1687-1768). The Reader's Biographical Encyclopaedia. 1922

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Robert Simson (1687-1768). The Reader's Biographical Encyclopaedia. 1922 Dictionary Biographies Literary Criticism Welcome Terms of Service ⧏ Previous Next ⧐ Contents Bibliographic Record Hugh Chisholm, et al., eds.  The Reader’s Biographical Encyclopædia.  1922.
17,000 Articles from the Encyclopædia Britannica, 11th & 12th eds. Robert Simson (1687–1768) Scottish mathematician, the eldest son of John Simson of Kirktonhill in Ayrshire; born on the 14th of October 1687. He was intended for the church, but the bent of his mind was towards mathematics, and, when a prospect opened of his succeeding to the mathematical chair at the university of Glasgow, he proceeded to London for further study. After a year in London he returned to Glasgow, and in 1711 was appointed by the university to the professorship of mathematics, an office which he retained until 1761. He died on the 1st of October 1768.

1   Simson’s contributions to mathematical knowledge took the form of critical editions and commentaries on the works of the ancient geometers. The first of his published writings is a paper in the Philosophical Transactions (1723, vol. xl. p. 330) on Euclid’s Porisms. Then followed Sectionum conicarum libri V. (Edinburgh, 1735), a second edition of which, with additions, appeared in 1750. The first three books of this treatise were translated into 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 Apollonius’s lost treatise, founded on the lemmas given in the seventh book of Pappus’s Mathematical Collection. In 1756 appeared, both in Latin and in English, the first edition of his Euclid’s Elements. This work, which contained only the first six and the eleventh and twelfth books, and to which in its English version he added the Data in 1762, was for long the standard text of Euclid in England. After his death restorations of Apollonius’s treatise De sectione determinata and of Euclid’s treatise De porismatibus were printed for private circulation in 1776 at the expense of Earl Stanhope, in a volume with the title Roberti Simson opera quaedam reliqua. The volume contains also dissertations on Logarithms and on the Limits of Quantities and Ratios, and a few problems illustrative of the ancient geometrical analysis.

2   See W. Trail, Life and Writings of Robert Simson (1812); C. Hutton, Mathematical and Philosophical Dictionary (1815).

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