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Baekeland, Leo Hendrik

(Encyclopedia)Baekeland, Leo Hendrik bākˈlănd [key], 1863–1944, American chemist, b. Belgium, grad. Univ. of Ghent, 1882. In 1889 he emigrated to the United States. He founded (1893) and conducted, until 1899,...

Leo IV, Byzantine emperor

(Encyclopedia)Leo IV (Leo the Khazar), d. 780, Byzantine emperor (775–80), son and successor of Constantine V. He owed his nickname to his mother, a Khazar princess. Leo tempered the iconoclastic excesses of his ...

Leo I, Byzantine emperor

(Encyclopedia)Leo I, d. 474, Byzantine or East Roman emperor (457–74). Chosen by the senate to succeed Marcian, he sought to counteract the preponderance of Germans in the Roman army by enlisting Isaurians. A nav...

Leo III, Byzantine emperor

(Encyclopedia)Leo III (Leo the Isaurian or Leo the Syrian), c.680–741, Byzantine emperor (717–41). He was probably born in N Syria (rather than in Isauria, as once thought). He held diplomatic and military post...

Strauss-Kahn, Dominique Gaston André

(Encyclopedia)Strauss-Kahn, Dominique Gaston André dōmēnēkˈ gästôNˈ äNdrāˈ sträs-känˈ [key], 1949–, French economist, lawyer, and politician , b. Neuilly, Ph.D. Univ. of Paris, 1975. A lecturer and ...

Leo V, Byzantine emperor

(Encyclopedia)Leo V (Leo the Armenian), d. 820, Byzantine emperor (813–20), successor of Michael I. A former general, Leo successfully defended (813) Constantinople against the Bulgars and concluded a 30-year tru...

Leo the Great, Saint

(Encyclopedia)Leo the Great, Saint: see Leo I, Saint. ...

Caprivi, Leo, Graf von

(Encyclopedia)Caprivi, Leo, Graf von lāˈō gräf fən käprēˈvē [key], 1831–99, German chancellor, whose full name was Georg Leo, Graf von Caprivi de Caprara de Montecuculi. A former army officer and head of...

Leo I, Saint, pope

(Encyclopedia)Leo I, Saint (Saint Leo the Great), c.400–461, pope (440–61), an Italian; successor of St. Sixtus III. A Doctor of the Church, he was one of the greatest pontiffs of the early years of the church....

Leo IV, Saint, pope

(Encyclopedia)Leo IV, Saint, d. 855, pope (847–55), a Roman; successor of Sergius II. He had seen the Saracen attack on Rome (846), and to prevent its recurrence he fortified the city and its suburbs. He built a ...