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Nadal, Rafael

(Encyclopedia)Nadal, Rafael (Rafael Nadal Parera), 1986–, Spanish tennis player, b. Majorca. Widely regarded as the greatest clay-court player ever, “Rafa” turned professional at 15. In 2005 he won his first ...

ammonium nitrate

(Encyclopedia)ammonium nitrate, chemical compound, NH4NO3, that exists as colorless, rhombohedral crystals at room temperature but changes to monoclinic crystals when heated above 32℃. It is extremely soluble in ...

chalk

(Encyclopedia)chalk, mineral of calcium carbonate, similar in composition to limestone, but softer. It is characteristically a marine formation and sometimes occurs in great thickness; the chief constituents of the...

Falmouth, town, England

(Encyclopedia)Falmouth fălˈməth [key], town, Cornwall, SW England, on a small peninsula between Falmouth ...

Abakanowicz, Magdalena

(Encyclopedia)Abakanowicz, Magdalena, 1930–2017, Polish sculptor, studied Academy of Fine Arts, Warsaw (1950–54). She won notice with her Abakan series, begun in 1967; these monumental woven abstract sculptures...

ocher

(Encyclopedia)ocher ōˈkər [key], mixture of varying proportions of iron oxide and clay, used as a pigment. It occurs naturally as yellow ocher (yellow or yellow-brown in color), the iron oxide being limonite, or...

Ohr, George Edgar

(Encyclopedia)Ohr, George Edgar, 1857–1918, American ceramist, often considered the first art potter in the United States, b. Biloxi, Miss. He apprenticed in New Orleans, traveled to potteries in 16 states to obs...

Catlett, Elizabeth

(Encyclopedia)Catlett, Elizabeth, 1915–2012, American-Mexican sculptor, painter, and printmaker, considered one of the foremost African-American artists of her era, b. Washington, D.C., grad. Howard Univ. (B.A., ...

Wythe, George

(Encyclopedia)Wythe, George wĭth [key], 1726–1806, American lawyer, signer of the Declaration of Independence, b. Elizabeth City co., Va. Admitted to the bar in 1746, Wythe was a member (1754–55, 1758–68) an...

Stephens, James

(Encyclopedia)Stephens, James, 1882–1950, Irish poet and fiction writer, b. Dublin. One of the leading figures of the Irish literary renaissance, Stephens is best known for his fanciful and highly colored prose w...