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Raeburn, Sir Henry
(Encyclopedia)Raeburn, Sir Henry rāˈbərn [key], 1756–1823, Scottish portrait painter, b. near Edinburgh. He was apprenticed to a goldsmith at 15 and he showed considerable talent. In 1784 he went to London and...Williams, Ephraim
(Encyclopedia)Williams, Ephraim, 1715–55, American soldier, founder of Williams College, b. Newton, Mass. After several years as a sailor, he lived in Massachusetts and took part in defending the frontier against...Hull, William
(Encyclopedia)Hull, William, 1753–1825, American general, b. Derby, Conn. He served brilliantly in the American Revolution and became in 1805 governor of the newly created Michigan Territory. As the War of 1812 b...calculus of variations
(Encyclopedia)calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the variables themselves, a...Brock, Sir Isaac
(Encyclopedia)Brock, Sir Isaac, 1769–1812, British general, Canadian hero of the War of 1812. A British army officer, he was sent to Canada in 1802 and was given command (1806) of Upper and Lower Canada. He stren...gravitation
(Encyclopedia)gravitation, the attractive force existing between any two particles of matter. The term gravitygravity is commonly used synonymously with gravitation, but in correct usage a definite distinction is...André, John
(Encyclopedia)André, John ändrāˈ, ănˈdrē [key], 1751–80, British spy in the American Revolution. He was captured (1775) by Gen. Richard Montgomery in the Quebec campaign but was exchanged and became adjuta...Isaac I
(Encyclopedia)Isaac I (Isaac Comnenus) īˈzək kŏmnēˈnəs [key], c.1005–1061, Byzantine emperor (1057–59), first of the Comnenus dynasty. Proclaimed emperor by the army, he deposed Michael VI, who had succe...Newton, John
(Encyclopedia)Newton, John, 1725–1807, English clergyman and hymn writer, b. London. Until 1755, his life was spent chiefly at sea, where he eventually became the captain of a slave ship plying the waters between...Browse by Subject
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