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Shannon, Claude Elwood

(Encyclopedia)Shannon, Claude Elwood, 1916–2001, American applied mathematician, b. Gaylord, Michigan. A student of Vannevar Bush at the Massachusetts Institute of Technology (MIT), he was the first to propose th...

Sisi, Abdul Fattah El-

(Encyclopedia)Sisi or Sissi, Abdul Fattah El- äbˈdəl fätˈtä ĕ-sēˈsē [key], 1954–, Egyptian military officer and government official, b. Cairo, grad. Egyptian Military Academy (1977), U.S. Army War Colle...

smart weapon

(Encyclopedia)smart weapon, missile or steerable bomb equipped with a laser, television, or satellite guidance system. Smart weapons, which use guidance systems that rely on external assistance, are distinguished f...

parrot

(Encyclopedia)parrot, common name for members of the order Psittaciformes, comprising nearly 400 species of colorful birds, pantropical in distribution, including the parakeets. Parrots have large heads and short n...

Alfonso V, king of Aragón and Sicily

(Encyclopedia)Alfonso V (Alfonso the Magnanimous), 1396–1458, king of Aragón and Sicily (1416–58) and of Naples (1443–58), count of Barcelona. He was the son of Ferdinand I, whom he succeeded in Aragón and ...

farming, in taxation

(Encyclopedia)farming, in the history of taxation, collection of taxes through private contractors. Usually, the tax farmer paid a lump sum to the public treasury; the difference between that sum and the sum actual...

Federal Home Loan Mortgage Corporation

(Encyclopedia)Federal Home Loan Mortgage Corporation, commonly known as Freddie Mac, government-sponsored enterprise that uses private capital to buy home mortgages as a means to help lower housing costs. A sister ...

Harriman, William Averell

(Encyclopedia)Harriman, William Averell āˈvərəl [key], 1891–1986, American public official; son of E. H. Harriman. Expanding his railroad inheritance, W. Averell Harriman became a banker and shipbuilder and l...

Gibson, William

(Encyclopedia)Gibson, William, 1948–, Canadian science fiction writer, b. Conway, S.C., moved to Canada in the 1960s. He first published short stories in sci-fi magazines; many are collected in Burning Chrome (19...

Gálvez, Bernardo de

(Encyclopedia)Gálvez, Bernardo de bĕrnärˈᵺō dā gälˈvāth [key], c.1746–1786, Spanish governor of Louisiana. He served in the Spanish army before going to Louisiana in 1776 as the young commandant of the...