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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 ...

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...

Photius

(Encyclopedia)Photius fōˈshəs [key], c.820–892?, Greek churchman and theologian, patriarch of Constantinople, b. Constantinople. He came of a noble Byzantine family. Photius was one of the most learned men of ...

Louis I, emperor of the West

(Encyclopedia)Louis I or Louis the Pious, Fr. Louis le Pieux or Louis le Débonnaire, 778–840, emperor of the West (814–40), son and successor of Charlemagne. He was crowned king of Aquitaine in 781 and co-empe...

Baldwin I, Latin emperor of Constantinople

(Encyclopedia)Baldwin I bôlˈdwĭn [key], 1171–1205, 1st Latin emperor of Constantinople (1204–5). The count of Flanders (as Baldwin IX), he was a leader in the Fourth Crusade (see Crusades). After the seizure...

Damasus I, Saint

(Encyclopedia)Damasus I, Saint dămˈəsəs [key], c.305–384, pope (366–84), a Spaniard; successor of Liberius. His election was opposed by the Arian Ursinus (antipope 366–67). The Roman emperor Valentinian I...

Sylvester I, Saint

(Encyclopedia)Sylvester I, Saint, pope (314–35), a Roman; successor of St. Miltiades (St. Melchiades). He was pope under the reign of Emperor Constantine I, who built for him the Lateran and other churches. St. S...

Delibes, Léo

(Encyclopedia)Delibes, Léo lāôˈ dəlēbˈ [key], 1836–91, French composer. After studying at the Conservatory in Paris, he became an accompanist at the Théâtre-Lyrique in 1853, and, ten years later, at the ...

Esaki, Leo

(Encyclopedia)Esaki, Leo, 1925–, Japanese physicist, Ph.D. Univ. of Tokyo, 1959. Esaki was a researcher with IBM from 1960 until his retirement in 1992. He then served (1992–98) as president of the Univ. of Tsu...

Friedlander, Leo

(Encyclopedia)Friedlander, Leo, 1890–1966, American sculptor, b. New York City, studied in New York, Paris, Brussels, and at the American Academy in Rome. His many decorative works include sculptures on Washingto...