Columbia Encyclopedia

(Encyclopedia) Brahe, Tycho tīˈkō brä [key], 1546–1601, Danish astronomer. The most prominent astronomer of the late 16th cent., he paved the way for future discoveries by improving instruments and by his prec...

(Encyclopedia) Haushofer, Karl kärl housˈhōfər [key], 1869–1946, German geographer, theorist of Nazi geopolitics, including the doctrines that the state is a living organism and that race and territory are lin...

(Encyclopedia) Quine, W. V. (Willard Van Orman Quine) kwīn [key], 1908–2000, American philosopher and mathematical logician, b. Akron, Ohio, grad. Oberlin, 1930. He studied at Harvard (Ph.D., 1932) under Alfred N...

(Encyclopedia) Godfrey of Bouillon bo͞oyôNˈ [key], c.1058–1100, Crusader, duke of Lower Lorraine. He fought for Holy Roman Emperor Henry IV against Pope Gregory VII and against Rudolf of Swabia and was rewarded...

(Encyclopedia) humor, according to ancient theory, any of four bodily fluids that determined human health and temperament. Hippocrates postulated that an imbalance among the humors (blood, phlegm, yellow bile, and b...

(Encyclopedia) Hammerstein, Oscar, 2d, 1895–1960, American lyricist and librettist, b. New York City, grad. Columbia, 1916; grandson of Oscar Hammerstein. His first success was Wildflower (1923), with music by Vin...

(Encyclopedia) Valais välāˈ [key], Ger. Wallis, canton (1993 pop. 262,400), 2,021 sq mi (5,234 sq km), S Switzerland. Sion is the capital. Bordering on France and Italy, the Valais extends from the Bernese Alps i...

(Encyclopedia) Schwyz shvēts [key], canton (1993 pop. 116,100), 351 sq mi (909 sq km), central Switzerland, one of the Four Forest Cantons. Bordering on the Lake of Zürich in the north and the Lake of Lucerne in t...

(Encyclopedia) tracer, an identifiable substance used to follow the course of a physical, chemical, or biological process. In chemistry the ideal tracer has the same chemical properties as the molecule it replaces a...

(Encyclopedia) Barth, Karl bärt [key], 1886–1968, Swiss Protestant theologian, one of the leading thinkers of 20th-century Protestantism. He helped to found the Confessing Church and his thinking formed the theol...