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Benbridge, Henry

(Encyclopedia)Benbridge, Henry, 1744–1812, American portrait painter and miniaturist, b. Philadelphia, studied in Italy and with Benjamin West in London. His portraits are characterized by technical skill and hav...

Stetson, John Batterson

(Encyclopedia)Stetson, John Batterson, 1830–1906, American hat manufacturer, b. Orange, N.J. Stetson, who had learned hatmaking, traveled to the West in the 1860s to improve his health. He returned to Philadelphi...

Yellow Sea

(Encyclopedia)Yellow Sea or Huanghai hwäng-hī [key] [yellow sea], arm of the Pacific Ocean, between China and Korea, where it is called the West Sea. It has a maximum depth of 500 ft (152 m). Bohai, Korea Bay (or...

Nujoma, Sam

(Encyclopedia)Nujoma, Sam (Samuel Daniel Shafiishuna Nujoma) no͞oyōˈmä [key], 1929–, Namibian political leader. A railway worker in what was then the South African mandate of South West Africa, Nujoma became ...

Yorkshire

(Encyclopedia)Yorkshire, former county, N England. From 1889 to 1974 it formed three counties, the East Riding, North Riding, and West Riding of Yorkshire. In 1974, Yorkshire was divided among the nonmetropolitan c...

electromagnetic radiation

(Encyclopedia)CE5 Electromagnetic spectrum electromagnetic radiation, energy radiated in the form of a wave as a result of the motion of electric charges. A moving charge gives rise to a magnetic field, and if ...

relativity

(Encyclopedia)relativity, physical theory, introduced by Albert Einstein, that discards the concept of absolute motion and instead treats only relative motion between two systems or frames of reference. One consequ...

Louis the German

(Encyclopedia)Louis the German, c.804–876, king of the East Franks (817–76). When his father, Emperor of the West Louis I, partitioned the empire in 817, Louis received Bavaria and adjacent territories. In the ...

Kangaroo Island

(Encyclopedia)Kangaroo Island, island, c.1,700 sq mi (4,400 sq km), S Australia, in South Australia at the entrance to Gulf St. Vincent. It is 93 mi (150 km) long and 35 mi (57 km) wide. The chief products are barl...

Havel

(Encyclopedia)Havel häˈfəl [key], river, c.215 mi (350 km) long, rising in the lake region of Mecklenburg, N Germany. It flows generally S through West Berlin to Potsdam where it turns west. At Brandenburg it tu...