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chalcedony

(Encyclopedia)chalcedony kălsĕdˈənē [key] [from Chalcedon], form of quartz the crystals of which are so minute that its crystalline structure cannot be seen except with the aid of a microscope. Chalcedony has ...

Mount Robson Provincial Park

(Encyclopedia)Mount Robson Provincial Park rŏbˈsən [key], 803 sq mi (2,080 sq km), E British Columbia, Canada, in the Rocky Mts. W of Jasper, Alta.; est. 1913. It is a dominion forest reserve, containing high pe...

Gogebic

(Encyclopedia)Gogebic gōgēˈbĭk [key], east-west mountain range, 80 mi (129 km) long and .5 to 1 mi (.8–1.6 km) wide, extending from the W Upper Peninsula, N Mich., into N Wis. It is known for its iron deposit...

Davies, Sir Peter Maxwell

(Encyclopedia)Davies, Sir Peter Maxwell dāˈvĭs [key], 1934–2016, English composer and conductor, b. Salford, studied Royal Manchester College of Music and Princeton with Roger Sessions and Milton Babbitt. He w...

Debye, Peter Joseph Wilhelm

(Encyclopedia)Debye, Peter Joseph Wilhelm dēbīˈ [key], 1884–1966, American physicist, b. the Netherlands. He was professor at the universities of Zürich, Utrecht, Göttingen, Leipzig, and Berlin. In 1940 he c...

Healy, George Peter Alexander

(Encyclopedia)Healy, George Peter Alexander, 1813–94, American painter, b. Boston. He began painting portraits at the age of 18 and, disregarding background, concentrated on producing a good likeness. Examples of...

Medawar, Sir Peter Brian

(Encyclopedia)Medawar, Sir Peter Brian mĕdˈəwär [key], 1915–87, British zoologist, b. Brazil. After graduate work at Oxford, he held research and teaching posts there. He was professor of zoology (1947–51) ...

Motion, Sir Andrew Peter

(Encyclopedia)Motion, Sir Andrew Peter, 1952–, English poet and biographer, poet laureate of England (1999–2009), grad. University College, Oxford (B.A., 1974; M.Litt., 1977). He writes poems that are both lyri...

Patrimony of Saint Peter

(Encyclopedia)Patrimony of Saint Peter: see Papal States. ...

Mansfeld, Peter Ernst von

(Encyclopedia)Mansfeld, Peter Ernst von pāˈtər ĕrnst fən mänsˈfĕlt [key], 1580?–1626, military commander in the Thirty Years War. Illegitimate son of a governor for the Hapsburgs in Luxembourg, he rendere...