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 his ‘grandmother's jointure,’ the manors of Barholme and Stow-cum-Deeping in Lincolnshire. His widow married, as her second husband, in the autumn of 1784, Mr. J. Crouch, assistant clerk of the minutes of the custom-house (Gent. Mag. 1784, ii. 796). Tyson knew Italian, French, and Spanish; and his library, which was sold by Leigh & Sotheby in 1781, was rich in rare works in those languages.

Tyson executed many engravings, etchings, and miniatures for private circulation, though some of them were ‘exposed to public sale.’ He made etchings of many Cambridgeshire churches and tombs, and of the portraits of the masters of his college. That of Jacob Butler, proprietor of the Barnwell estate, is in the ‘Bibliotheca Topographica Britannica,’ vol. v., and his drawing of Browne Willis is in Nichols's ‘Literary Anecdotes’ (viii. 219). He etched and dedicated to Cole a portrait of Michael Dalton [q. v.], and he made the etching of the Rev. Henry Etough, under which Gray wrote the bitter epigram beginning

Thus Tophet look'd, so grinned the brawling fiend.

Several of his drawings are in the ‘Antiquarian Repertory.’

An account by Tyson ‘of a singular fish brought by Commodore Byron from the South Seas’ appeared in the ‘Philosophical Transactions,’ 1771, pp. 247–9, and he wrote English verses in the university collections on the accession of George III (1760), his marriage (1761), the birth of the Prince of Wales (1762), and on the peace (1763). He long contemplated a work on Queen Elizabeth's progresses, but the undertaking was in the end carried out by John Nichols, who received much information from him (, Progresses of Elizabeth, preface, pp. v, xlvi). A description of an illuminated manuscript at Corpus Christi College, with plates by him, was printed as his paper in ‘Archæologia’ (ii. 194–7), and reprinted at Cambridge in 1770 as his work; but the authorship has been claimed by the Rev. William Cole.

Tyson was very friendly with James Essex, Rev. William Cole, Horace Walpole, Richard Gough, and Mason the poet. Letters to and from him are in Nichols's ‘Illustrations of Literature’ (iv. 91–2, 728–9, v. 340–2; cf. Literary Anecdotes, viii. 567–672, ix. 718–719;, Letters, 1805, pp. 152–5; and Gent. Mag. 1777, p. 416). Gough paid affectionate tributes to his memory in ‘Sepulchral Monuments’ (i. preface), and in his edition of Camden's ‘Britannia’ (sub ‘Lambourne’). In the first of these works he was indebted to Tyson for several drawings.



TYSON, RICHARD (1680–1750), physician, son of [q. v.], was born in 1680 in Gloucestershire. He entered Pembroke Hall, Cambridge, and obtained a fellowship. He graduated M.B. 1710, and M.D. 1715. He was elected a fellow of the College of Physicians on 25 June 1718, was five times censor between 1718 and 1737, was registrar from 1723 to 1735, treasurer 1739–46, and president 1746–50. He delivered the Harveian oration in 1725. On 27 May 1725 he was elected physician to St. Bartholomew's Hospital. He died on 3 Jan. 1749–50.



TYSON, RICHARD (1730–1784), physician, son of Richard Tyson, physician, and great-nephew of [q. v.], was born in 1730 in the parish of St. Dionis Backchurch in the city of London. He matriculated at Oriel College, Oxford, 6 April 1747, and thence graduated B.A. 13 Oct. 1750, M.A. 5 July 1753, M.B. 30 April 1756, and M.D. 15 Jan. 1760. He was elected a fellow of the College of Physicians of London, 30 Sept. 1761, was censor in 1763, 1768, 1773, and 1776, and registrar from 1774 to 1780. He was elected physician to St. Bartholomew's Hospital on 5 Feb. 1762. He died on 9 Aug. 1784. His portrait is in the College of Physicians.



TYTLER, ALEXANDER FRASER, (1747–1813), eldest son of  [q. v.] of Woodhouselee, by Ann, daughter of James Craig of Costerton, was born at Edinburgh, 15 Oct. 1747. After attending the high school of Edinburgh, where he became dux of the rector's class, he was sent in 1763 to an academy at Kensington, where he remained two years. Thence in 1765 he entered the university of