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Doisy, Edward Adelbert

(Encyclopedia)Doisy, Edward Adelbert doiˈzē [key], 1893–1986, American biochemist, b. Hume, Ill., grad. Univ. of Illinois (B.A., 1914), Ph.D. Harvard, 1920. For his discovery of the chemical nature of vitamin K...

Pepi II

(Encyclopedia)Pepi II pāˈpē [key], d. c.2185 b.c., king of ancient Egypt, of the VI dynasty. His reign (c.2275–c.2185 b.c.) is the longest recorded in history. It was successful because the powerful southern l...

Ptolemy II

(Encyclopedia)Ptolemy II (Ptolemy Philadelphus) fĭlədĕlˈfəs [key], c.308–246 b.c., king of ancient Egypt (285–246 b.c.), of the Macedonian dynasty, son of Ptolemy I and Berenice (c.340–281 b.c.). He cont...

Ivan II

(Encyclopedia)Ivan II or Ivan Asen ēˈvän äˈsən [key], d. 1241, czar of Bulgaria (1218–41). On the death (1207) of his father, Kaloyan, founder of the second Bulgarian empire, the throne was usurped by Ivan'...

Uladislaus II

(Encyclopedia)Uladislaus II o͞oˌläˈdĭslous [key], Hung. Ulászló II, c.1456–1516, king of Hungary (1490–1516) and, as Ladislaus II, king of Bohemia (1471–1516); son of Casimir IV of Poland. Designated b...

Bancroft, Edward

(Encyclopedia)Bancroft, Edward, 1744–1821, spy in the American Revolution, b. Westfield, Mass. He studied medicine and natural history, producing a book (1769) on Guiana's flora and fauna, a defense of the coloni...

Hicks, Edward

(Encyclopedia)Hicks, Edward, 1780–1849, American painter and preacher, b. Bucks co., Pa. A member of the Society of Friends, he became a noted back-country preacher in the conservative group of Quakers associated...

Pharnaces II

(Encyclopedia)Pharnaces II färˈnəsēz [key], d. 47 b.c., king of Pontus, son of Mithradates VI. In the Roman civil war he overran Colchis and central Asia Minor. Julius Caesar came from Egypt and defeated (47 b....

Isaac II

(Encyclopedia)Isaac II (Isaac Angelus) ănˈjələs [key], d. 1204, Byzantine emperor (1185–95, 1203–4). The great-grandson of Alexius I, he was proclaimed emperor by the mob that had killed the unpopular Andro...

Bok, Edward William

(Encyclopedia)Bok, Edward William, 1863–1930, American editor, b. Helder, Netherlands. His family emigrated to the United States in 1870. He founded the Brooklyn Magazine (later Cosmopolitan) in 1883. As editor (...