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Deane, Silas

(Encyclopedia)Deane, Silas, 1737–89, political leader and diplomat in the American Revolution, b. Groton, Conn. A lawyer and merchant at Wethersfield, Conn., he was elected (1772) to the state assembly and became...

Haldane, John Burdon Sanderson

(Encyclopedia)Haldane, John Burdon Sanderson hôlˈdān, –dən [key], 1892–1964, British geneticist, biologist, and popularizer of science; son of John Scott Haldane. He studied at Oxford until his studies were...

Godwin, William

(Encyclopedia)Godwin, William, 1756–1836, English author and political philosopher. A minister in his youth, he was, however, plagued by religious doubts and gave up preaching in 1783 for a literary career. His E...

jade

(Encyclopedia)jade, common name for either of two minerals used as gems. The rarer variety of jade is jadeite, a sodium aluminum silicate, NaAl(SiO3)2, usually white or green in color; the green variety is the more...

McClintock, Sir Francis Leopold

(Encyclopedia)McClintock, Sir Francis Leopold, 1819–1907, British arctic explorer. As a lieutenant in the navy he was assigned to his first arctic service in 1848, when Sir James Clark Ross went in search of the ...

MacKay, Peter Gordon

(Encyclopedia)MacKay, Peter Gordon məkāˈ [key], 1966–, Canadian politician, b. New Glasgow, N.S. A lawyer who briefly worked (1992–93) in Germany, MacKay returned to his native Nova Scotia in 1993 and became...

Ponca

(Encyclopedia)Ponca, Native North Americans whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages). According to tradition the group lived in the Ohio valle...

Ross Sea

(Encyclopedia)Ross Sea, arm of the Pacific Ocean, Antarctica, between Victoria Land and Marie Byrd Land. It was discovered in 1841 by Sir James Clark Ross, a British explorer. Ross Island with Mt. Erebus, an active...

Brubeck, Dave

(Encyclopedia)Brubeck, Dave (David Warren Brubeck) bro͞oˈbĕk [key], 1920–2012, American pianist an...

business cycles

(Encyclopedia)business cycles, fluctuations in economic activity characterized by periods of rising and falling fiscal health. During a business cycle, an economy grows, reaches a peak, and then begins a downturn f...