Columbia Encyclopedia

(Encyclopedia) china clay, one of the purest of the clays, composed chiefly of the mineral kaolinite usually formed when granite is changed by hydrothermal metamorphism. Usage of the terms china clay and kaolin is n...

(Encyclopedia) corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

(Encyclopedia) creole language krēōlˈ [key], any language that began as a pidgin but was later adopted as the mother tongue by a people in place of the original mother tongue or tongues. Examples are the Gullah o...

(Encyclopedia) slate, fine-grained rock formed when sedimentary rocks such as shale are metamorphosed by great pressure. Slate splits into perfectly cleaved, broad thin layers; this characteristically regular and pl...

(Encyclopedia) Strand, Paul, 1890–1976, American photographer, b. New York City. Strand studied under Lewis Hine, who introduced him to Alfred Stieglitz. At Stieglitz's famed “291” gallery, Strand had his firs...

(Encyclopedia) Rhodes, James Ford rōdz [key], 1848–1927, American historian, b. Ohio City (now part of Cleveland). While studying in Europe he visited ironworks and steelworks in Germany and Great Britain, and up...

(Encyclopedia) Ross, John, whose name in Cherokee is Kooweskoowe ko͞oˌwĭsˌko͞owēˈ [key], 1790–1866, Native American chief, b. near Lookout Mt., Tenn., of Scottish and Cherokee parents. He was educated at Ki...

(Encyclopedia) Spangenberg, August Gottlieb ouˈgo͝ost gôtˈlēp shpängˈənbĕrk [key], 1704–92, a bishop of the Moravian Church and a founder of that church in America, b. Prussia. While at the Univ. of Jena,...

(Encyclopedia) Fuller, Millard, 1935–2009, American entrepreneur and philanthropist, b. Lanett, Ala., grad. Auburn Univ. (B.S., 1957), Univ. of Alabama Law School (LL.B., 1960). While in law school he and a fellow...

(Encyclopedia) Fath Ali Shah fäth älēˈ shäˈ, fät [key], also spelled Feth Ali Shah, 1762–1834, shah of Persia (1797–1834), nephew and successor of Aga Muhammad Khan, founder of the Qajar dynasty. Most of ...