THOM, WILLIAM, a minor Scottish vernacular poet, author of “The Mitherless Bairn,” &c.; was a native of and hand-loom weaver at Aberdeen; endured much hardship and poverty (1799-1848).

THOMAS, AMBROISE, French composer, born at Metz; proved himself a brilliant student at the Paris Conservatoire; became professor of Composition in 1852, and nine years later succeeded Auber as director of the Conservatoire; a prolific writer in all forms of musical composition, but has won celebrity mainly as a writer of, operas, the most popular of which are “La Double Echelle,” “Mignon,” “Hamlet,” &c.; was decorated with the Grand Cross of the Legion of Honour in 1880 (1811-1896).

THOMAS, ARTHUR GORING, composer, born near Eastbourne; studied at the Paris Conservatoire and Royal Academy for Music, London; became popular through the merit of his operas “Esmeralda,” “Nadeshda,” the cantata “Sun-worshippers,” and songs; committed suicide (1851-1892).

THOMAS, GEORGE HENRY, American general, born in Virginia; a man of fine character, lacking none of the sterner stuff of the soldier, but blended with modesty and gentleness; universally popular in the army, which he joined in 1840 and continued in till his death, rising to be general of a division through gallantry in the Indian frontier wars and in the Civil War, in which, at the battle of Nashville (1864), he completely routed the Confederate forces; had command of the military division of the Pacific at the time of his death (1816-1870).

THOMAS, ST., the Apostle, is represented in art as bearing a spear in his hand, and sometimes an arrow, a book, and a carpenter’s square.

THOMAS THE RHYMER.  See RHYMER, THOMAS THE.

THOMASIUS, CHRISTIAN, a German jurist, born at Leipzig; was the first to prelect on jurisprudence in the German tongue, on which account, as on account of his advanced theological views, he encountered no small persecution; became at length professor of Jurisprudence at Halle, his influence on the study of which was considerable (1655-1728).

THOMISM, the doctrine of THOMAS AQUINAS (q. v.), particularly in reference to predestination and grace.

THOMS, WILLIAM JOHN, a noted antiquary and bibliographer, born in Westminster; a clerk for 20 years in the Chelsea Hospital and subsequently in the House of Lords, where during 1863-1882 he was deputy-librarian; his leisure was given to his favourite pursuits, and bore fruit in many volumes dealing with “folk-lore” (a word of his own invention) and the like; was secretary of the Camden Society, and in 1849 founded, and continued to edit till 1872, Notes and Queries (1803-1885).

THOMSON, SIR CHARLES WYVILLE, zoologist, born at Bonsyde, Linlithgow; educated at Merchiston Castle, Edinburgh, and at the university there; a lecturer on botany at Aberdeen (1850), professor of Natural History in Queen’s College, Cork (1853), of Geology at Belfast (1854), and of Natural History in the University of Edinburgh (1870); accompanied the Challenger expedition (1872-1876) as head of the scientific department; knighted 1876; wrote “The Depths of the Sea” and “The Voyage of the Challenger” (1830-1882).