Columbia Encyclopedia

(Encyclopedia) Sandage, Allan Rex, 1926–2010, American astronomer, b. Iowa City, Iowa, Ph.D. California Institute of Technology, 1953. He was a graduate student under Walter Baade and an assistant to Edwin Hubble....

(Encyclopedia) income tax, assessment levied upon individual or corporate incomes. Although personal incomes were occasionally taxed in medieval Italian cities, the income tax is essentially a modern form of taxatio...

(Encyclopedia) kindergarten [Ger.,=garden of children], system of preschool education. Friedrich Froebel designed (1837) the kindergarten to provide an educational situation less formal than that of the elementary s...

(Encyclopedia) Rio Grande rēˈō grănd, rēˈō gränˈdē [key], river, c.1,885 mi (3,000 km) long, rising in SW Colo. in the San Juan Mts. and flowing south through the middle of N.Mex., past Albuquerque, then c...

(Encyclopedia)  CE5 United Arab Emirates, federation of sheikhdoms (2015 est. pop. 5,780,000), c.30,000 sq mi (77,700 sq km), SE Arabia, on the Persian Gulf and the Gulf of Oman. The federation, commonly known as ...

(Encyclopedia) Yost, Ed (Paul Edward Yost), 1919–2007, American balloonist, b. Bristow, Iowa, grad. Boeing School of Aeronautics, 1940. The father of modern hot-air ballooning, Yost pioneered the used of propane (...

(Encyclopedia) Clinton, George, 1739–1812, American statesman, vice president of the United States (1805–1812), b. Little Britain, N.Y. Before he was 20 he served on a privateer and, in the French and Indian War...

(Encyclopedia) Ghose, Aurobindo ôrōbĭnˈdō gōsh [key], 1872–1950, Indian nationalist leader and mystic philosopher. Born in Bengal, he was sent to England and lived there for 14 years, completing his educatio...

(Encyclopedia) Oporto o͝opôrˈtō [key], Port. Pôrto, city (1991 pop. 310,600), capital of Porto dist. and Douro Litoral, NW Portugal, near the mouth of the Douro River. It is Portugal's second largest city, afte...

(Encyclopedia) Buffalo, city (2020 pop. 278,349), seat of Erie co., W N.Y., on Lake Erie and the Niagara and Buffalo rivers; inc. 1832. With more than 37 mi (60 km) of...