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Philomena of Dacia, Peter

(Encyclopedia)Philomena of Dacia, Peter, or Peter Nightingale, fl. 1291–1303, Danish astronomer and mathematician. He taught at the Univ. of Bologna (1291–92) and in Paris, and was a canon of Roskilde Cathedral...

Ulugh-Beg

(Encyclopedia)Ulugh-Beg or Ulug-Beg both: o͞oˈlo͞og bĕg [key], 1394–1449, Timurid ruler and astronomer. The grandson of Timur (or Tamerlane), he succeeded to the Timurid domain in 1447. A patron of the arts a...

Avempace

(Encyclopedia)Avempace āˈvəmpās, äˌvĕmpäˈthā [key], Arabic Ibn Bajja, d. 1138, Spanish-Arab philosopher. Little is known of his life, but he was born in Zaragoza and died in Fès, Morocco. Developing the ...

Bukhari, Muhammad ibn Ismail, al-

(Encyclopedia)Bukhari, Muhammad ibn Ismail, al- bo͞ok-härēˈ [key] (c.810–70), Arabic scholar, b. Bukhara. He traveled widely over Muslim regions and made an authoritative collection of the hadith, the traditi...

Wellesz, Egon

(Encyclopedia)Wellesz, Egon āˈgŏn vĕlˈĕs [key], 1885–1974, Austrian composer and musicologist. Wellesz studied with Schoenberg at the same time as Berg and Webern. His early compositions show the influence ...

Keene, Donald Lawrence

(Encyclopedia)Keene, Donald Lawrence, 1922–2019, American scholar and translator, b. New York City, grad. Columbia (B.A. 1942, Ph.D. 1949). During World War II, he worked as a Navy interpreter and intelligence of...

Saintsbury, George Edward Bateman

(Encyclopedia)Saintsbury, George Edward Bateman sāntsˈbərē [key], 1845–1933, English critic and historian. His many works on English and French literature, notable for their breadth of knowledge and spirited ...

numeral

(Encyclopedia)numeral, symbol denoting anumber. The symbol is a member of a family of marks, such as letters, figures, or words, which alone or in a group represent the members of a numeration system. The earliest ...

Hula, Lake

(Encyclopedia)Hula, Lake, or Lake Huleh both: ho͞oˈlā [key], Arabic Bahr al Hulah, near sea-level lake formed by a natural dam of basalt, NE Israel; the Jordan River exits from its southern end. In ancient times...

Fibonacci, Leonardo

(Encyclopedia)Fibonacci, Leonardo lāōnärˈdō fēbōnätˈchē [key], b. c.1170, d. after 1240, Italian mathematician, known also as Leonardo da Pisa. In Liber abaci (1202, 2d ed. 1228), for centuries a standard...