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Maestra, Sierra

(Encyclopedia)Maestra, Sierra, mountains, Cuba: see Sierra Maestra. ...

Sierra, Justo

(Encyclopedia)Sierra, Justo ho͞oˈstō syĕˈrä [key], 1848–1912, Mexican educator and historian. He entered the literary life as a romantic poet but later devoted himself wholeheartedly to founding schools, le...

Sierra Club

(Encyclopedia)Sierra Club, national organization in the United States dedicated to the preservation and expansion of the world's parks, wildlife, and wilderness areas. Founded (1892) in California by a group led by...

Sierra Maestra

(Encyclopedia)Sierra Maestra syāˈrä mäāˈsträ [key], rugged mountain range, SE Cuba, rising abruptly from the coast. Consisting of connecting ranges with local names, the Sierra Maestra is the highest system ...

Sierra Morena

(Encyclopedia)Sierra Morena syāˈrä mōrāˈnä [key], mountain range, SW Spain, extending c.375 mi (600 km) eastward along the southern edge of the Meseta (central plateau) from the Portuguese border to the Sier...

Alberti, Leone Battista

(Encyclopedia)Alberti, Leone Battista, 1404–72, Italian architect, musician, painter, and humanist, active at the papal court, Florence, Rimini, and Mantua. Alberti was the first architect to argue for the correc...

Koroma, Ernest Bai

(Encyclopedia)Koroma, Ernest Bai bī kərōmäˈ [key], 1953–, Sierra Leonean political, grad. Fourah Bay College, Univ. of Sierra Leone (1976). An insurance company executive (1978–2001), he retired to enter p...

Stevens, Siaka Probyn

(Encyclopedia)Stevens, Siaka Probyn sēäˈkä prōˈbĭn [key], 1905–88, president of Sierra Leone (1971–85). He served (1951–57) in the legislative council and was appointed (1967) prime minister. Briefly e...

Sharp, Granville

(Encyclopedia)Sharp, Granville, 1735–1813, English reformer, scholar, and abolitionist. In 1772 he won a case establishing the principle that any slave would become free upon reaching British land. Sharp continue...

Margai, Sir Milton

(Encyclopedia)Margai, Sir Milton märˈgī [key], 1895–1964, prime minister of Sierra Leone (1961–64). A prominent doctor, he turned to politics in 1949 and led his country to independence (1961) while serving ...