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acids and bases

(Encyclopedia)acids and bases, two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water. Another theory that provides a very broad ...

Bugenhagen, Johann

(Encyclopedia)Bugenhagen, Johann yōˈhän bo͞oˈgənhäˌgən [key], 1485–1558, German Protestant reformer. Born in Pomerania, he is sometimes called Dr. Pomeranus. Bugenhagen, an ordained priest, was attracted...

Biko, Steve

(Encyclopedia)Biko, Steve (Steven Biko) bēˈkō [key], 1946–77, South African political leader. A medical student, ...

Boyd, Ernest

(Encyclopedia)Boyd, Ernest, 1887–1946, American critic and author, b. Dubin, Ireland. In the British consular service, he resigned in 1920 and settled in New York City, where he became an important literary figur...

Rodgers, John, 1812–82, American naval officer

(Encyclopedia)Rodgers, John, 1812–82, American naval officer, b. Harford co., Md.; son of John Rodgers. He became (1828) a midshipman and saw varied service. He conducted (1852–56) exploring expeditions in the ...

Mailer, Norman

(Encyclopedia)Mailer, Norman (Norman Kingsley Mailer), 1923–2007, American writer, b. Long Branch, N.J., grad. Harvard, 1943. He grew up in Brooklyn, N.Y., served in the army during World War II, and at the age o...

Al Aswany, Alaa

(Encyclopedia)Al Aswany, Alaa, 1957–, Egyptian author, b. Cairo. The son of a novelist-lawyer, he was trained as a dentist at Cairo Univ. (grad. 1980) and the Univ. of Illinois at Chicago (M.S., 1987) and has com...

Higginson, Thomas Wentworth

(Encyclopedia)Higginson, Thomas Wentworth, 1823–1911, American author, b. Cambridge, Mass. A Unitarian minister, he was a leader in the abolitionist movement and was a member of a group that backed John Brown's a...

Croghan, George, 1791–1849, American military officer

(Encyclopedia)Croghan, George, 1791–1849, American military officer, b. near Louisville, Ky.; nephew of George Rogers Clark and William Clark. He won public acclaim and a congressional award for his defense of Fo...

Faust

(Encyclopedia)Faust yōˈhän [key], fl. 16th cent., learned German doctor who traveled widely, performed magical feats, and died under mysterious circumstances. According to legend he had sold his soul to the devi...