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.”]

bro, James THOMSON (1822-1892), F.R.S., Hon. LL.D., Glasgow and Dublin, Professor of Civil Engineering, first at Queen’s Coll., Belfast, 1857-1873, then at Glasgow, 1873-1889.  Invented the “vortex water-wheel,” 1850; numerous memoirs on physical investigations.—­["Dict.  N. Biog.,” and “Ency.  Brit.”]

bro, John THOMSON, died young, having contracted hospital fever during medical study at Glasgow.  Considered as able as his brothers.

si son, James Thomson BOTTOMLEY, F.R.S. (q.v.).

si son, George KING, actuary and mathematician; author of many original papers, and of an authoritative work on actuarial subjects.

Sir John Isaac #THORNYCROFT# (b. 1843), LL.D., F.R.S.,
    Vice-President of Inst. of Naval Architecture, etc.; founded
    shipbuilding works at Chiswick, 1866; introduced improvements in
    naval architecture and marine engineering, which have promoted
    high speeds at sea.—­["Who’s Who.”]

me fa, John FRANCIS (1780-1861), sculptor, pupil of Chantrey; exhibited at the Royal Academy, 1820-1856; his works include busts of Miss Horatio Nelson, Queen Victoria, Prince Albert, and the Duke of Wellington.—­["Dict.  N. Biog.”]

fa, Thomas THORNYCROFT (1815-1885), sculptor; executed the group of Commerce on the Albert Memorial, and other statues.—­["Dict.  N. Biog.”]

me, Mary THORNYCROFT (1814-1895), sculptor.—­["Dict.  N. Biog.”]

bro, William Hamo THORNYCROFT (b. 1850), R.A., sculptor.  His works include national monument to General Gordon in Trafalgar Square and in Melbourne; John Bright in Rochdale; Lord Granville in Houses of Parliament; and very many others.—­["Who’s Who.”]

Charles Sissmore #TOMES# (b. 1846), F.R.S., late lecturer on dental
    anatomy at Dental Hosp. of London; Crown nominee on General
    Medical Council, 1898, etc.; author of a “Manual of Dental
    Anatomy, Human and Comparative,” and of many memoirs on
    odontology in “Phil.  Trans.,” etc.—­["Who’s Who.”]