Columbia Encyclopedia

(Encyclopedia) tax exemption, immunity from the requirement of paying taxes. Federal, state, and usually local law provide exemption from taxation for a wide variety of organizations, usually not-for-profit, such as...

(Encyclopedia) Betjeman, Sir John bĕtˈjəmən [key], 1906–84, English poet, b. London. Traditional in rhyme and meter, his verse combined a witty appraisal of the English present with nostalgia for England's pas...

(Encyclopedia) Agassiz, Lake ăgˈəsē [key], glacial lake of the Pleistocene epoch, c.700 mi (1,130 km) long, 250 mi (400 km) wide, formed by the melting of the continental ice sheet beginning some 14,000 years ag...

(Encyclopedia) Green River. 1 River, 370 mi (595 km) long, rising in central Ky. and flowing generally NW, through Mammoth Cave National Park, to the Ohio River near Evansville, Ind. Locks and dams make the Green Ri...

(Encyclopedia) LaGuardia, Fiorello Henry fēərĕlˈō, ləgwärˈdēə [key], 1882–1947, U.S. public official, congressman, and mayor of New York City (1934–45), b. New York City. He spent his early years in Ar...

(Encyclopedia) greenback, in U.S. history, legal tender notes unsecured by specie (coin). In 1862, under the exigencies of the Civil War, the U.S. government first issued legal tender notes (popularly called greenba...

(Encyclopedia) Loomis, Mahlon, 1826–86, American inventor, b. Oppenheim, N.Y. He was a dentist by profession but spent much of his time pioneering in wireless communication. Using aerials borne by kites, he succes...

(Encyclopedia) Bennett, Hugh Hammond, 1881–1960, American soil scientist, b. near Wadesboro, N.C. Known as the father of soil conservation, he first proposed the theory of sheet erosion of soils in 1905. He direct...

(Encyclopedia) Carey Land Act, sponsored by Sen. Joseph M. Carey and passed by the U.S. Congress in 1894. The act provided for the transfer to Western states of U.S.-owned desert lands on the condition that they be ...

(Encyclopedia) Carías Andino, Tiburcio tēbo͞orˈsyō kärēˈäs ändēˈnō [key], 1876–1969, president of Honduras (1933–49). A strong-handed dictator, his term was twice extended by congress. Some improvem...