Encyclopedias Books

CONSTANTINE PAVLOVICH (1779-1831), grand-duke and cesarevich of Russia, was born at Tsarskoye Selo on the 27th of April 1779. Of the sons born to the unfortunate tsar Paul Petrovich and his wife Maria Feodorovna, née princess of Württemberg, none more closely resembled his father in bodily and mental characteristics than did the second, Constantine Pavlovich. The direction of the boy’s upbringing... more...

APOLLODORUS, an Athenian painter, who flourished at the end of the 5th century B.C. He is said to have introduced great improvements in perspective and chiaroscuro. What these were it is impossible to say: perspective cannot have been in his day at an advanced stage. Among his works were an Odysseus, a priest in prayer, and an Ajax struck by lightning. APOLLODORUS, an Athenian grammarian, pupil of... more...

CARNEGIE, ANDREW (1837-  ), American “captain of industry” and benefactor, was born in humble circumstances in Dunfermline, Scotland, on the 25th of November 1837. In 1848 his father, who had been a Chartist, emigrated to America, settling in Allegheny City, Pennsylvania. The raw Scots lad started work at an early age as a bobbin-boy in a cotton factory, and a few years later was engaged as a... more...

CERARGYRITE, a mineral species consisting of silver chloride; an important ore of silver. The name cerargyrite is a Greek form (from κέρας, horn, and ἄργυρος, silver) of the older name hornsilver, which was used by K. Gesner as far back as 1565. The chloro-bromide and bromide of silver were also included under this term until they were distinguished chemically in 1841 and... more...

COUCY-LE-CHÂTEAU, a village of northern France, in the department of Aisne, 18 m. W.S.W. of Laon on a branch of the Northern railway. Pop. (1906) 663. It has extensive remains of fortifications of the 13th century, the most remarkable feature of which is the Porte de Laon, a gateway flanked by massive towers and surmounted by a fine apartment. Coucy also has a church of the 15th century, preserving a... more...

CALHOUN, JOHN CALDWELL (1782-1850), American statesman and parliamentarian, was born, of Scottish-Irish descent, in Abbeville District, South Carolina, on the 18th of March 1782. His father, Patrick Calhoun, is said to have been born in Donegal, in North Ireland, but to have left Ireland when a mere child. The family seems to have emigrated first to Pennsylvania, whence they removed, after Braddock’s... more...

COQUELIN, BENOÎT CONSTANT (1841-1909), French actor, known as Coquelin aîné, was born at Boulogne on the 23rd of January 1841. He was originally intended to follow his father’s trade of baker (he was once called un boulanger manqué by a hostile critic), but his love of acting led him to the Conservatoire, where he entered Regnier’s class in 1859. He won the first prize for comedy within a year,... more...

CONDUCTION, ELECTRIC. The electric conductivity of a substance is that property in virtue of which all its parts come spontaneously to the same electric potential if the substance is kept free from the operation of electric force. Accordingly, the reciprocal quality, electric resistivity, may be defined as a quality of a substance in virtue of which a difference of potential can exist between different... more...

BENT, JAMES THEODORE (1852-1897), English traveller, was the son of James Bent of Baildon House, near Leeds, Yorkshire, where he was born on the 30th of March 1852. He was educated at Repton school and Wadham College, Oxford, where he graduated in 1875. In 1877 he married Mabel, daughter of R.W. Hall-Dare of Newtownbarry, Co. Wexford, and she became his companion in all his travels. He went abroad... more...

ANDROS, SIR EDMUND (1637-1714), English colonial governor in America, was born in London on the 6th of December 1637, son of Amice Andros, an adherent of Charles I., and the royal bailiff of the island of Guernsey. He served for a short time in the army of Prince Henry of Nassau, and in 1660-1662 was gentleman in ordinary to the queen of Bohemia (Elizabeth Stuart, daughter of James I. of England). He... more...