Columbia Encyclopedia

(Encyclopedia) Darboux, Jean Gaston zhäN gästôNˈ därbo͞oˈ [key], 1842–1917, French mathematician. He is known for his work on orthogonal surfaces and for his application of infinitesimal calculus to geometr...

(Encyclopedia) microcredit, the extension to individuals of small loans to be used for income-generating activities that will improve the borrowers' living standards. The borrowers, most of whom usually are poor wom...

(Encyclopedia) Naismith, James nāˈsmĭth [key], 1861–1939, American athletic director, inventor (1891) of basketball, b. Almonte, Ontario. While an instructor of physical education at the International YMCA Trai...

(Encyclopedia) Satyarthi, Kailash, 1954–, Indian children's rights activist, b. Vidisha, Madhya Pradesh, as Kailash Sharma. Trained as an electrical engineer, he taught college until 1980 when he began devoting hi...

(Encyclopedia) Calhoun, John Caldwell kălˌho͞onˈ [key], 1782–1850, American statesman and political philosopher, b. near Abbeville, S.C., grad. Yale, 1804. He was an intellectual giant of political life in his...

(Encyclopedia) Bridgman, Laura, 1829–89, the first blind and deaf person to be successfully educated, b. Hanover, N.H. Under the guidance of Dr. S. G. Howe, of the Perkins School for the Blind, she learned to read...

(Encyclopedia) cigar and cigarette, tubular rolls of tobacco designed for smoking. Cigars consist of filler leaves held together by binder leaves and covered with a wrapper leaf, which is rolled spirally around the ...

(Encyclopedia) lyceum līsēˈəm, līˈ– [key], 19th-century American association for popular instruction of adults by lectures, concerts, and other methods. Lyceum groups were concerned with the dissemination of...

(Encyclopedia) Bourne, Randolph Silliman bôrn [key], 1886–1918, American author and social critic, b. Bloomfield, N.J., grad. Columbia Univ., 1912. His critical examination of the American way of life established...

(Encyclopedia) value-added tax (VAT), levy imposed on business at all levels of the manufacture and production of a good or service and based on the increase in price, or value, provided by each level. Because the c...