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Cameron, David William Duncan

(Encyclopedia)Cameron, David William Duncan kămˈərən [key], 1966–, British political leader, b. London. Educated at Eton and Oxford, he worked for the Conservative party's research department beginning in 198...

Casement, Sir Roger David

(Encyclopedia)Casement, Sir Roger David, 1864–1916, Irish revolutionary. While in British consular service, he exposed (1904) the atrocious exploitation of wild-rubber gatherers in the Congo (thus helping to brin...

Munk, Kaj

(Encyclopedia)Munk, Kaj kī mo͝ongk [key], 1898–1944, Danish playwright, a clergyman. His ethical plays, traditional in form, led the Danish dramatic revival in the 1930s. Among them is The Word (1932), which de...

quantum theory

(Encyclopedia)quantum theory, modern physical theory concerned with the emission and absorption of energy by matter and with the motion of material particles; the quantum theory and the theory of relativity togethe...

Steno, Nicolaus

(Encyclopedia)Steno, Nicolaus nēls stānˈsən [key], 1638–86, Danish anatomist, geologist, and Roman Catholic prelate. He lived principally in Copenhagen, Paris, and Florence. He investigated the heart, brain, ...

David I, king of Scotland

(Encyclopedia)David I, 1084–1153, king of Scotland (1124–53), youngest son of Malcolm III and St. Margaret of Scotland. During the reign of his brother Alexander I, whom he succeeded, David was earl of Cumbria,...

David II, king of Scotland

(Encyclopedia)David II (David Bruce), 1324–71, king of Scotland (1329–71), son and successor of Robert I. David's guardians were not strong enough to prevent the invasion (1332) of Scotland by Edward de Baliol,...

David and Lucile Packard Foundation

(Encyclopedia)David and Lucile Packard Foundation, private philanthropic institution that funds nonprofit organizations. It was founded in 1964 by David Packard (1912–96), co-founder of Hewlett-Packard Co., and h...

Stuart, David, duke of Rothesay

(Encyclopedia)Stuart or Stewart, David, duke of Rothesay rŏthˈsē [key], 1378?–1402, Scottish prince; son and heir apparent of Robert III. On his father's accession (1390) to the throne, David became earl of Ca...

Thompson, Sir John Sparrow David

(Encyclopedia)Thompson, Sir John Sparrow David, 1844–94, Canadian political leader, b. Nova Scotia. He was elected (1877) to the provincial assembly, was briefly provincial prime minister, and then was made a jus...