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Martin I, Saint, d. 655?, pope

(Encyclopedia)Martin I, Saint, d. 655?, pope (649–55?), an Italian, b. Todi; successor of Theodore I. On his accession he summoned a great council at the Lateran, as St. Maximus had urged, to deal with Monothelet...

Brennus, d. 279 b.c., Gallic leader

(Encyclopedia)Brennus, d. 279 b.c., Gallic leader. He was in command of the band of Gauls (or Galatians) who invaded Greece in 279 b.c. At first halted at Thermopylae, he later turned and took the pass into Doris. ...

motion picture photography

(Encyclopedia)motion picture photography or cinematography, photographic arts and techniques involved in making motion pictures. See also photography, still. Cinematography developed as a separate craft ve...

Flaherty, Robert Joseph

(Encyclopedia)Flaherty, Robert Joseph flăˈərtē [key], 1884–1951, American explorer and film producer. He was born in Michigan and grew up in Canada. He explored (1910–16) subarctic E Canada and in 1922 comp...

Heraclitus

(Encyclopedia)Heraclitus hĕrəklīˈtəs [key], c.535–c.475 b.c., Greek philosopher of Ephesus, of noble birth. According to Heraclitus, there was no permanent reality except the reality of change; permanence wa...

Mitchel, John

(Encyclopedia)Mitchel, John, 1815–75, Irish revolutionist and journalist. A practicing lawyer, Mitchel contributed articles to the Nation (Dublin) and the United Irishman, which he founded in 1848, calling for re...

Croghan, George, d. 1782, American Indian agent

(Encyclopedia)Croghan, George krōˈgən [key], d. 1782, American Indian agent, b. Ireland. He migrated to North America in 1741 and became (1756) deputy superintendent of Indian affairs under Sir William Johnson. ...

John D. and Catherine T. MacArthur Foundation

(Encyclopedia)John D. and Catherine T. MacArthur Foundation, philanthropic institution founded 1978 by John D. MacArthur (1897–1978), owner of a prominent insurance company and other businesses, and his wife Cath...

Morris, Richard, d. 1672, American colonial landowner

(Encyclopedia)Morris, Richard, d. 1672: see under Morris, family. ...

Mansur, al-, d. 775, 2d Abbasid caliph

(Encyclopedia)Mansur, al- äl-mänso͝orˈ [key] [Arab.,=the victorious], d. 775, 2d Abbasid caliph (754–75) and founder of the city of Baghdad. His name was in full Abu Jafar abd-Allah al-Mansur. He was brother ...