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Ypsilanti, Greek family

(Encyclopedia)Ypsilanti or Hypsilanti both: ĭpˌsĭlănˈtē [key], prominent Greek family of Phanariots (see under Phanar). An early distinguished member, Alexander Ypsilanti, c.1725–c.1807, was dragoman (minis...

diffusion

(Encyclopedia)diffusion, in chemistry, the spontaneous migration of substances from regions where their concentration is high to regions where their concentration is low. Diffusion is important in many life process...

Apollonius

(Encyclopedia)Apollonius ăpˌəlōˈnēəs [key], in the books of the Maccabees. 1 Governor of Coele-Syria and Phoenicia for Seleucus IV. He oppressed the Jews and was killed by Judas Maccabaeus. 2 Governor of Coe...

Campbell, Thomas, American clergyman

(Encyclopedia)Campbell, Thomas, 1763–1854, American clergyman, a founder of the Christian Church (Disciples of Christ). See Campbell, Alexander, his more famous son. ...

Eumenes

(Encyclopedia)Eumenes yo͞oˈmĭnēz [key], c.361–316 b.c., secretary to Philip II of Macedon and to Alexander the Great. A Thracian Greek, he was capable, diplomatic, and eloquent and proved himself able as a ge...

James III, king of Scotland

(Encyclopedia)James III, 1452–88, king of Scotland (1460–88), son and successor of James II. During his minority he was under the care of his mother, Mary of Guelders, and her adviser, James Kennedy, bishop of ...

Chu, Steven

(Encyclopedia)Chu, Steven, 1948–, U.S. physicist and government official, b. St. Louis, Mo., grad. Univ. of Rochester (B.S., A.B. 1970), Univ. of California, Berkeley (Ph.D. 1976). He worked from 1978 at Bell Lab...

Osheroff, Douglas Dean

(Encyclopedia)Osheroff, Douglas Dean, 1945–, American physicist, b. Aberdeen, Wash., Ph.D. Cornell, 1973. He was a professor at Cornell from 1973 to 1987, when he joined the faculty at Stanford. Osheroff was also...

Hauptmann, Gerhart

(Encyclopedia)Hauptmann, Gerhart gĕrˈhärt houptˈmän [key], 1862–1946, German dramatist, novelist, and poet. He showed the influence of the theories of Zola and the plays of Ibsen in his play Before Dawn (188...

Western Union Telegraph Company

(Encyclopedia)Western Union Telegraph Company, enterprise created (1851) to provide telegraphic communications services in the United States. Originally known as the New York and Mississippi Valley Printing Telegra...