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Baze, Russell Avery

(Encyclopedia)Baze, Russell Avery, 1958–, Canadian-American jockey, b. Vancouver, Canada. He rode primarily at tracks in N California. In 2006 he surpassed Laffit Pincay, Jr.'s record for career wins, and in 2008...

Horkheimer, Max

(Encyclopedia)Horkheimer, Max hôrkˈhīˌmər, hôrˈkīˌ– [key], 1895–1973, German philosopher and sociologist. As director (1930–58) of the Institute for Social Research in Frankfurt, he played an importa...

Goldmark, Peter Carl

(Encyclopedia)Goldmark, Peter Carl, 1906–77, Hungarian-American engineer, b. Budapest. He studied at the Univ. of Vienna (B.S., 1929, Ph.D., 1931); worked for a radio company in England (1931–33). After emigrat...

Sailendra

(Encyclopedia)Sailendra sīlĕnˈdrä [key], name of a dynasty in Indonesia and SE Asia. The dynasty appeared in central Java in the 7th cent. and had consolidated its position by the mid-8th cent. The Sailendras, ...

occultation

(Encyclopedia)occultation ŏkˌəltāˈshən [key], in astronomy, eclipse of one celestial body by another, e.g., when the moon lies between a star and the earth. Occultations of stars by the moon are important in ...

olivine

(Encyclopedia)olivine ŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor igneous rocks; metamorp...

silver nitrate

(Encyclopedia)silver nitrate nīˈtrāt [key], chemical compound, AgNO3, a colorless crystalline material that is very soluble in water. The most important compound of silver, it is used in the preparation of silve...

Keeler, James Edward

(Encyclopedia)Keeler, James Edward, 1857–1900, American astronomer, b. La Salle, Ill. At the age of 21 he went on the Naval Observatory expedition to Colorado to observe the solar eclipse of July, 1878. In 1886 h...

Foch, Ferdinand

(Encyclopedia)Foch, Ferdinand fĕrdēnäNˈ fôsh [key], 1851–1929, marshal of France. A professor at the École de Guerre, he later served (1908–11) as director of that institute. In World War I, he was respon...

Al-Battani

(Encyclopedia)Al-Battani ălˌbətēˈnēəs [key], b. before 858, d. 929, Arab astronomer and mathematician. He is best known in astronomy for his improvements and corrections of the Ptolemaic tradition. His Kitab...