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poll tax

(Encyclopedia)poll tax, a capital tax levied equally on every adult in the community. Although no longer a significant source of revenue for any major country, the poll tax did provide large sums for many governmen...

Royal Greenwich Observatory

(Encyclopedia)Royal Greenwich Observatory, astronomical observatory established in 1675 by Charles II of England at Greenwich and known as the Royal Observatory. It moved during 1948–57 to Herstmonceux Castle, Su...

Blennerhassett, Harman

(Encyclopedia)Blennerhassett, Harman blĕnˈərhăsˌət [key], 1765–1831, Anglo-Irish pioneer in America, an associate of Aaron Burr. Wealthy and gifted, he fell in love with and married his beautiful niece, Mar...

Penn, Arthur Hiller

(Encyclopedia)Penn, Arthur Hiller, 1922–2010, American director, brother of Irving Penn, b. Philadelphia; studied Black Mountain College and the Actors' Studio, Los Angeles. Penn, who often dealt with themes of a...

logic

(Encyclopedia)logic, the systematic study of valid inference. A distinction is drawn between logical validity and truth. Validity merely refers to formal properties of the process of inference. Thus, a conclusion w...

Mun, Thomas

(Encyclopedia)Mun, Thomas mŭn [key], 1571–1641, English writer on economics. A merchant in Italy and the Levant, he became (1615) a director in the East India Company. In his Discourse of Trade from England unto...

Murphy, Charles Francis

(Encyclopedia)Murphy, Charles Francis, 1858–1924, American political boss, b. New York City. He was the owner of many saloons in New York City and took a keen interest in Democratic politics. His services to Tamm...

Harrington, James

(Encyclopedia)Harrington, James, 1611–77, English political writer. His Commonwealth of Oceana (1656) pictured a utopian society in which political authority rested entirely with the landed gentry. Harrington adv...

Hale, Benjamin

(Encyclopedia)Hale, Benjamin, 1797–1863, American educator, b. Newburyport, Mass., grad. Bowdoin, 1818. He served as tutor at Bowdoin and in 1823 founded and became principal of Gardiner Lyceum, Gardiner, Maine, ...

Angell, James Burrill

(Encyclopedia)Angell, James Burrill jāmz bûrˈəl ānˈjəl [key], 1829–1916, American educator, editor, and diplomat, b. Scituate, R.I., grad. Brown, 1849, and studied abroad. He became professor of modern lan...