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Robert of Courtenay

(Encyclopedia)Robert of Courtenay kôrtˈnē, ko͝ortənāˈ [key], d. 1228, Latin emperor of Constantinople (1218–28). His father, Peter of Courtenay, was elected by the Latin nobles to succeed Henry of Flanders...

Nicaea, empire of

(Encyclopedia)Nicaea, empire of, 1204–61. In 1204 the armies of the Fourth Crusade set up the Latin Empire of Constantinople, but the Crusaders' influence did not extend over the entire Byzantine Empire. Several ...

John III, Byzantine emperor of Nicaea

(Encyclopedia)John III (John Ducas Vatatzes) do͝oˈkəs vətătˈzēz [key], d. 1254, Byzantine emperor of Nicaea (1222–54), successor and son-in-law of Theodore I. He extended his territory in Asia Minor and th...

Roosevelt, river, Brazil

(Encyclopedia)Roosevelt, river, c.400 mi (640 km) long, NW Brazil. It was called the Rio da Dúvida [River of Doubt] until it was explored by Theodore Roosevelt in 1913. Renamed in his honor, it is occasionally cal...

Frothingham, Octavius Brooks

(Encyclopedia)Frothingham, Octavius Brooks frŏᵺˈĭnghəm [key], 1822–95, American clergyman and writer, b. Boston. While a Unitarian minister in Salem (1847–55) he came under the influence of Theodore Parke...

Erlenmeyer, Richard A. C. E.

(Encyclopedia)Erlenmeyer, Richard A. C. E. ĕrˈlənmīˌər [key], 1825–1909, German chemist. He studied at Giessen under Justus von Liebig and at Heidelberg under Friedrich Kekulé, both German chemists. Erlenm...

Henderson, Richard, Scottish molecular biologist

(Encyclopedia)Henderson, Richard, 1945–, Scottish molecular biologist, Ph.D. Cambridge, 1969. Henderson has been a researcher at the Laboratory of Molecular Biology in Cambridge since 1973. In 2017 he was awarded...

Heath, Sir Edward Richard George

(Encyclopedia)Heath, Sir Edward Richard George, 1916–2005, British statesman. Educated at Oxford, he served in the Royal Artillery during World War II, rising to the rank of colonel. He was elected to Parliament ...

Warwick, Richard Neville, earl of

(Encyclopedia)Warwick, Richard Neville, earl of , wŏrˈĭk [key], 1428–71, English nobleman, called the Kingmaker. Through his grandfather, Ralph Neville, 1st earl of Westmorland, he had connections with the hou...

Yates, Richard, American political leader

(Encyclopedia)Yates, Richard, 1815–73, American political leader, b. Warsaw, Ky. He studied law and became a lawyer and Whig politician in Jacksonville, Ill. A state legislator (1842–46, 1848–50) and U.S. Con...