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taconite

(Encyclopedia) taconite, low-grade iron ore, a flintlike rock usually containing less than 30% iron. Resistant to drilling and to the extraction of its contained metal, the rock was long considered…

guidance and counseling

(Encyclopedia) guidance and counseling, concept that institutions, especially schools, should promote the efficient and happy lives of individuals by helping them adjust to social realities. The…

electronics industry

(Encyclopedia) electronics industry, the business of creating, designing, producing, and selling devices such as radios, televisions, stereos, computers, semiconductors, transistors, and integrated…

Anthony Rodney, Walter

(Encyclopedia) Rodney, Walter, 1942–1980, Scholar and revolutionary, b. Georgetown, British Guiana. Ph.D. School of African and Oriental Studies, 1966…

air forces

(Encyclopedia) air forces, those portions of a nation's military organization employing heavier-than-air aircraft for reconnaissance, support of ground troops, aerial combat, and bombing of enemy…

Cram, Donald James

(Encyclopedia) Cram, Donald James, 1919–2001, American chemist, b. Chester, Vt., Ph.D. Harvard, 1947. A professor at the Univ. of California at Los Angeles, Cram expanded on the work of Charles J.…

Friedländer, Max J.

(Encyclopedia) Friedländer, Max J.Friedländer, Max J.frēdˈlĕndər [key], 1867–1958, German art historian. Educated in Munich, he became director of the Kaiser Friedrich Museum in Berlin. He left…

Gambia, river, Africa

(Encyclopedia) Gambia, river, c.700 mi (1,130 km) long, rising on the Fouta Djallon, N Guinea, W Africa, and flowing generally northwest through SE Senegal then west, bisecting The Gambia, to the…

Gardiner, Silvester

(Encyclopedia) Gardiner, Silvester or Sylvester, 1708–86, American colonial physician and landowner, b. South Kingstown, R.I. He studied medicine in London and Paris, built up a large practice in…

Harris, Patricia Roberts

(Encyclopedia) Harris, Patricia Roberts, 1924–85, U.S. government official, b. Mattoon, Ill. A lawyer who was active in the Democratic party, she was a law professor and dean at Howard Univ. during…