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Lawrence, James

(Encyclopedia)Lawrence, James, 1781–1813, American naval hero, b. Burlington, N.J. He entered the navy in 1798 and saw his first important service in the Tripolitan War. In the War of 1812, as commander of the Ho...

Kook, Abraham Isaac

(Encyclopedia)Kook, Abraham Isaac ko͞ok [key], 1864–1935, Jewish scholar and philosopher, b. Latvia. He settled (1904) in Palestine, where he became the chief rabbi of the Ashkenazi community in 1921. He attempt...

Barentz, Willem

(Encyclopedia)Barentz or Barents, Willem both: vĭˈləm bäˈrənts [key], d. 1597, Dutch navigator. He made three voyages (1594, 1595, 1596–97) in search of the Northeast Passage to Asia. He reached Novaya Zeml...

Tewodros II

(Encyclopedia)Tewodros II or Theodore II, 1818–68, emperor of Ethiopia (1855–68), originally named Kasa or Lij Kasa. He was a commoner and a bold and clever warrior. He seized control of his native province, Ka...

torsion balance

(Encyclopedia)torsion balance, instrument used to measure small forces. It is based on the principle that a wire or thread resists twisting with a force that is proportional to the stress. The torsion balance consi...

Rockville

(Encyclopedia)Rockville, city (1990 pop. 44,835), seat of Montgomery co., W central Md., a NW suburb of Washington, D.C.; settled c.1760s, inc. as a city 1860. It has several scientific research and technology labo...

Shapley, Harlow

(Encyclopedia)Shapley, Harlow shăpˈlē [key], 1885–1972, American astronomer, b. Nashville, Mo., grad. Univ. of Missouri, 1910, Ph.D. Princeton, 1913. He was astronomer at Mt. Wilson Observatory from 1914 to 19...

Barth, Heinrich

(Encyclopedia)Barth, Heinrich hīnˈrĭkh bärt [key], 1821–65, German explorer in British service. After traveling (1845–47) through the Levant and N Africa, he entered the service of the British government. H...

Contreras

(Encyclopedia)Contreras kōntrāˈräs [key], village, central Mexico, near Mexico City, site of an important battle (Aug. 19–20, 1847) of the Mexican War. Gen. Winfield Scott, continuing his advance after the ba...

Fischer, Ernst Otto

(Encyclopedia)Fischer, Ernst Otto, 1918–2007, German chemist, Ph.D. Technical Univ. of Munich (TUM), 1952. Fischer was a professor at TUM (1954–57) and the Univ. of Munich (1957–64). He returned to TUM in 196...