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Carr, Edward Hallett

(Encyclopedia)Carr, Edward Hallett, 1892–1982, English political scientist and historian. Educated at Cambridge, he was in the diplomatic service until 1936, professor of international relations (1936–47) at Un...

Hall effect

(Encyclopedia)Hall effect, experiment that shows the sign of the charge carriers in a conductor. In 1879 E. H. Hall discovered that when he placed a metal strip carrying a current in a magnetic field, a voltage dif...

existentialism

(Encyclopedia)existentialism ĕgzĭstĕnˈshəlĭzəm, ĕksĭ– [key], any of several philosophic systems, all centered on the individual and his relationship to the universe or to God. Important existentialists o...

Oberth, Hermann Julius

(Encyclopedia)Oberth, Hermann Julius, 1894–1989, Austro-German astronautical pioneer, b. Hermannstadt, Austria-Hungary (now Sibiu, Romania). Beginning his studies in astronautics before World War I, he first prop...

Lenau, Nikolaus

(Encyclopedia)Lenau, Nikolaus nēmpsh ādˈlər fən shtrāˈlənou [key], 1802–50, Austrian romantic poet, b. Hungary. He is considered Austria's chief lyric poet. Pessimism and melancholy dominate his work, whi...

Tristram and Isolde

(Encyclopedia)Tristram and Isolde trĭsˈtrəm, ĭsōlˈdə, ĭzōlˈ– [key], medieval romance. The earliest extant version (incomplete) was written (c.1185) by Thomas of Britain in Anglo-Norman French verse. Abo...

Cantor, Georg

(Encyclopedia)Cantor, Georg gāˈôrkh känˈtôr [key], 1845–1918, German mathematician, b. St. Petersburg. He studied under Karl Weierstrass and taught (1869–1913) at the Univ. of Halle. He is known for his w...

Otto, Austrian archduke

(Encyclopedia)Otto: see Hapsburg, Otto von.

Siebold, Philipp Franz van

(Encyclopedia)Siebold, Philipp Franz van fēˈlĭp fränts fen zēˈbôlt [key], 1796–1866, German naturalist and physician; son of A. E. von Siebold. He was noted for his studies of the natural history, ethnogra...

Süss, Hans

(Encyclopedia)Süss, Hans: see Kulmbach, Hans von. ...