Aubrey #STRAHAN# (b. 1852), F.R.S., district geologist on the Geological Survey of England and Wales; author of geological memoirs on Chester, Rhyl, Flint, Isle of Purbeck, Weymouth, South Wales Coalfield, etc., and contributions to scientific journals.--["Who's Who."] _me fa_, Sir George FISHER, General of Royal Artillery; Commandant of Woolwich Arsenal. _bro_, George STRAHAN, second for Pollock Medal at Addiscombe; Dep. Surveyor-General of the Trigonometrical Survey of India, 1889; Colonel of Bengal Engineers. _bro_, Charles STRAHAN, Lieutenant-General of Bengal Engineers; Surveyor-General of India, 1895. _fa bro son_, Herbert KYNASTON (b. 1835), D.D., Camden Medallist and Browne Medallist, 1855; bracketed Senior Classic, 1857; Fellow of St. John's Coll., Cambridge, 1858; Principal of Cheltenham Coll., 1874-1888; Professor of Greek and Classical Literature, University of Durham, 1889.--["Who's Who."] John William #STRUTT# (b. 1842), third Baron #RAYLEIGH#, D.C.L. (Hon. Oxon.), LL.D., O.M., F.R.S., Hon. Sc.D. (Cambridge and Dublin), Professor of Natural Philosophy, Royal Inst., since 1887; Senior Wrangler and Smith's Prizeman, 1865; Professor of Experimental Physics, Cambridge, 1879-1884; Secretary Roy. Soc., 1887; author of "Theory of Sound," and many scientific papers.--["Who's Who," and "Ency. Brit."] _bro_, Hon. Edward Gerald STRUTT, successful land-agent and surveyor. _me si son_, Ronald Montague BURROWS (b. 1867), Professor of Greek in the University Coll. of S. Wales and Monmouthshire.--["Who's Who."] _son_, Hon. Robert John STRUTT (b. 1875), F.R.S., Fellow of Trinity Coll., Cambridge; author of papers on radium, etc.--["Who's Who."] _me fa bro_, Major-General Edward VICARS, R.E., distinguished himself under Lord John Hay on North Coast of Spain; brevet majority and Spanish orders for gallantry before San Sebastian in 1836; selected for special duty with the fleet in 1854, but taken ill on the way out, and retired on full pay. _wife_, see BALFOUR. William #THOMSON# (b. 1824), Baron #KELVIN# (1892), P.C., O.M., F.R.S., and numerous other distinctions; eminent mathematical physicist; inventor of mirror galvanometer, of siphon recorder in connection with submarine telegraphy, of a new form of mariner's compass, etc.; acted as electrical engineer for many submarine cables; President of British Assoc., 1871, of Royal Soc., 1890-1895, and four times of Royal Soc., Edinburgh; author of numerous mathematical and physical memoirs.--["Who's Who," and "Ency. Brit."] _fa_, James THOMSON (1786-1849), son of a small farmer in co. Down; commenced the study of mathematics on his own initiative; became Professor of Mathematics at Belfast, 1815, then at University of Glasgow, 1832; also a good classical scholar and astronomer; wrote the authorized mathematical text-books of the Commissioners of National Education in Ireland.--["Dict. N. Biog."]