Columbia Encyclopedia

Search results

500 results found

transistor

(Encyclopedia) CE5 Simple transistor circuit transistor, three-terminal, solid-state electronic device used for amplification and switching. It is the solid-state analog to the triode electron tube; the transist...

George VI, king of Great Britain and Ireland

(Encyclopedia)George VI (Albert Frederick Arthur George), 1895–1952, king of Great Britain and Northern Ireland (1936–52), second son of George V; successor of his elder brother, Edward VIII. He attended the ro...

Knapp, Seaman Asahel

(Encyclopedia)Knapp, Seaman Asahel sēˈmən āˈsəhĕlˌ năp [key], 1833–1911, agriculturist and teacher, b. Schroon Lake, N.Y., grad. Union College, Schenectady, 1856. He went to Iowa in 1866 and began public...

Tubman, Harriet

(Encyclopedia)Tubman, Harriet, c.1820–1913, American abolitionist, b. Dorchester co., Md. Born into slavery, she escaped to Phildelphia in 1849, and subsequently became one of the most successful “conductors”...

Sitwell

(Encyclopedia)Sitwell, English literary family, one of the most celebrated literary families of the 20th cent. Its members included Dame Edith Sitwell, 1887–1964, English poet and critic, Sir Osbert Sitwell, 1892...

Portland, William Bentinck, 1st earl of

(Encyclopedia)Portland, William Bentinck, 1st earl of, 1649–1709, Dutch statesman in England. He was William III's most trusted personal adviser. In 1677 he engaged in negotiating the marriage of William (then pr...

Henry the Navigator

(Encyclopedia)Henry the Navigator, 1394–1460, prince of Portugal, patron of exploration. Because he fought with extraordinary valor in the Portuguese conquest of Ceuta (1415), he was created duke of Viseu by his ...

William II, king of England

(Encyclopedia)William II or William Rufus ro͞oˈfus [key], d. 1100, king of England (1087–1100), son and successor of William I. He was called William Rufus or William the Red because of his ruddy complexion. Hi...

William I, emperor of Germany and king of Prussia

(Encyclopedia)William I, 1797–1888, emperor of Germany (1871–88) and king of Prussia (1861–88), second son of the future King Frederick William III of Prussia and Louise of Mecklenburg. Essentially conservati...

Ems dispatch

(Encyclopedia)Ems dispatch, 1870, communication between King William of Prussia (later German Emperor William I) and his premier, Otto von Bismarck. In June, 1870, the throne of Spain was offered to Prince Leopold ...
 

Browse by Subject