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Dulany, Daniel

(Encyclopedia)Dulany, Daniel dyo͞olāˈnē [key], 1685–1753, political leader of colonial Maryland, b. Ireland. He emigrated to Maryland c.1703, studied law, and was admitted to the bar. He entered the assembly ...

Boolean algebra

(Encyclopedia)Boolean algebra bo͞oˈlēən [key], an abstract mathematical system primarily used in computer science and in expressing the relationships between sets (groups of objects or concepts). The notational...

Sitting Bull

(Encyclopedia)Sitting Bull, c.1831–1890, Native American chief and spiritual leader, Sioux leader in the battle of the Little Bighorn. He rose to prominence in the Sioux warfare against the whites and the resista...

Richardson, Samuel

(Encyclopedia)Richardson, Samuel, 1689–1761, English novelist, b. Derbyshire. When he was 50 and a prosperous printer, Richardson was asked to compose a guide to letter writing. The idea of introducing a central ...

Lancaster, cities, United States

(Encyclopedia)Lancaster. 1 Uninc. city (1990 pop. 97,291), Los Angeles co., S Calif., in Antelope Valley and in the Mojave Desert; laid out 1894. It developed as a trade center for an irrigated farming area and has...

Chávez Frías, Hugo Rafael

(Encyclopedia)Chávez Frías, Hugo Rafael o͞oˈgō räfäĕlˈ chäˈvĕs frēˈäs [key], 1954–2013, Venezuelan political leader, president of Venezuela (1999–2013). Raised in poverty, he was educated at the ...

Lancaster, house of

(Encyclopedia)Lancaster, house of lăngˈkəstər [key], royal family of England. The line was founded by the second son of Henry III, Edmund Crouchback, 1245–96, who was created earl of Lancaster in 1267. Earlie...

Derby, Edward Henry Stanley, 15th earl of

(Encyclopedia)Derby, Edward Henry Stanley, 15th earl of därˈbē [key], 1826–93, British politician, son of the 14th earl. Although more liberal than his father, he held several positions in the latter's adminis...

Clarendon, Edward Hyde, 1st earl of

(Encyclopedia)Clarendon, Edward Hyde, 1st earl of klârˈəndən [key], 1609–74, English statesman and historian. Elected (1640) to the Short and Long parliaments, he was at first associated with the opposition t...

Morris, Edward Patrick Morris, 1st Baron

(Encyclopedia)Morris, Edward Patrick Morris, 1st Baron, 1859–1935, Newfoundland political leader, b. St. John's. He sat (1885–1918) in the Newfoundland parliament and was a delegate to the conference called (18...