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Heisman, John William

(Encyclopedia)Heisman, John William hīsˈmən [key], 1869–1936, American football coach, b. Cleveland. He studied and played football at Brown (1887–89) and the Univ. of Pennsylvania (1890–91). He coached fo...

amphibole

(Encyclopedia)amphibole ămˈfəbōlˌ [key], any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements. The ...

Cullen, Countee

(Encyclopedia)Cullen, Countee kounˈtēˈ [key], 1903–46, American poet, b. New York City, grad. New York Univ. 1925, M.A. Harvard, 1926. A major writer of the Harlem Renaissance—a flowering of black artistic a...

chromite

(Encyclopedia)chromite krōˈmīt [key], dark brown to black mineral. It is an iron-chromium oxide, FeCr2O4, with traces of magnesium and aluminum. Its crystals are octahedral, but rare; it usually occurs as irregu...

Chesapeake Bay retriever

(Encyclopedia)Chesapeake Bay retriever, breed of large sporting dog developed in the United States. It stands about 24 in. (61 cm) high at the shoulder and weighs about 65 lb (29.5 kg). Its thick, short double coat...

Baker, George Pierce

(Encyclopedia)Baker, George Pierce, 1866–1935, American educator, b. Providence, R.I., grad. Harvard, 1887. He taught (1888–1924) in the English department at Harvard and there conceived and instituted (1906) t...

Sanborn, Franklin Benjamin

(Encyclopedia)Sanborn, Franklin Benjamin, 1831–1917, American journalist, author, and philanthropist, b. Hampton Falls, N.H., grad. Harvard, 1855. An active abolitionist, he was a friend and agent of John Brown, ...

Rietveld, Gerrit Thomas

(Encyclopedia)Rietveld, Gerrit Thomas gĕrĭtˈ tōˈməs rētˈfĕlt [key], 1888–1965, Dutch architect and furniture designer. At first a cabinetmaker, Rietveld created (c.1917) a chair that was an important con...

obsidian

(Encyclopedia)obsidian ŏbsĭdˈēən [key], a volcanic glass, homogeneous in texture and having a low water content, with a vitreous luster and a conchoidal fracture. The color is commonly black, but may be some s...

Ogata Kenzan

(Encyclopedia)Ogata Kenzan ōgäˈtä kĕnˈzän [key] 1663–1743, Japanese potter and painter; younger brother of Ogata Korin. A follower of the Rimpa school, he set up kilns for the production of ceramics in the...