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Zewail, Ahmed Hassan

(Encyclopedia)Zewail, Ahmed Hassan, 1946–2016, Egyptian-American chemist, b. Damanhur, Egypt, Ph.D. Univ. of Pennsylvania, 1974. He became a U.S. citizen in 1982. A professor at the California Institute of Techno...

Mustafa II

(Encyclopedia)Mustafa II, 1664–1703, Ottoman sultan (1695–1703), nephew and successor of Ahmed II. The grand vizier (chief executive officer) of the Ottoman Empire (Turkey), Husayn Köprülü, exercised the act...

Brancovan, Constantine

(Encyclopedia)Brancovan, Constantine brän-kōvänˈ [key], 1654–1714, prince of Walachia (1688–1714). A skillful politician who secured domestic peace, he furthered Walachia's economic and cultural development...

Mahmud I

(Encyclopedia)Mahmud I mämo͞odˈ, mäˈmo͞od [key], 1696–1754, Ottoman sultan (1730–54), son of Mustafa II, nephew and successor of Ahmed III. A revolt of the Janissaries put him on the throne of the Ottoman...

Edward III

(Encyclopedia)Edward III, 1312–77, king of England (1327–77), son of Edward II and Isabella. Edward's long reign saw many constitutional developments. Most important of these was the emergence of the Commons ...

Darius III

(Encyclopedia)Darius III (Darius Codomannus) kŏdəmănˈəs [key], d. 330 b.c., king of ancient Persia (336–330 b.c.). A cousin of Artaxerxes III, he was raised to the throne by the eunuch Bagoas, who had murder...

Alexius III

(Encyclopedia)Alexius III (Alexius Angelus) ănˈjələs [key], d. after 1210, Byzantine emperor (1195–1203). He acceded to power by deposing and blinding his brother Isaac II. This act served as pretext for the ...

Constantius III

(Encyclopedia)Constantius III, d. 421, Roman emperor of the West (421). In 411, as general of Honorius, he defeated Gerontius and Constantine; thereafter he was the virtual ruler of the West. Aspiring to the hand o...

Christian III

(Encyclopedia)Christian III, 1503–59, king of Denmark and Norway (1534–59). At the death of his father, Frederick I, his election was delayed because he was a Lutheran. The German city of Lübeck invaded Denmar...