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Urraca

(Encyclopedia)Urraca o͞oräˈkä [key], d. 1126, Spanish queen of Castile and León (1109–26), daughter and successor of Alfonso VI. Her first husband, Raymond of Burgundy, died in 1107, and in 1109 she was marr...

San Ildefonso, town, Spain

(Encyclopedia)San Ildefonso lä grängˈhä [key], town (1990 pop. 5,088), Segovia prov., central Spain, in Castile and León. Near the town is the Spanish royal summer residence, called La Granja, built by Philip ...

Ehrenfest, Paul

(Encyclopedia)Ehrenfest, Paul poul āˈrənfĕst [key], 1880–1933, Austrian physicist. In 1904, Ehrenfest received his doctorate in theoretical physics in Vienna and married the Russian mathematician Tatyana Alex...

Hahn, Otto

(Encyclopedia)Hahn, Otto ôˈtō hän [key], 1879–1968, German chemist and physicist. His important contributions in the field of radioactivity include the discovery of several radioactive substances, the develop...

Hänsch, Theodor Wolfgang

(Encyclopedia)Hänsch, Theodor Wolfgang, 1941–, German physicist, Ph.D. Heidelberg, 1969. He was a professor at Stanford from 1975 to 1986 and then became head of the Max Planck Institute for Quantum Optics, Garc...

Neher, Edwin

(Encyclopedia)Neher, Edwin, 1944–, German biophysicist, Ph.D. Technical Univ. of Munich, 1970. He has been a researcher at the Max Planck Institute for Biophysical Chemistry, Göttingen, Germany, since 1972. Nehe...

Paneth, Friedrich Adolf

(Encyclopedia)Paneth, Friedrich Adolf frēˈdrĭkh äˈdôlf päˈnĕt [key], 1887–1958, Austrian chemist. He was educated at Vienna, Munich, and Glasgow. He held a number of teaching posts in Germany until he wa...

Taylor, Isaac

(Encyclopedia)Taylor, Isaac, 1829–1901, English clergyman, antiquarian, and author, chiefly noted for researches in philology. In 1885, Taylor became canon of York. His inclination toward controversy led to the w...

Ziegler, Karl

(Encyclopedia)Ziegler, Karl tsēˈglər [key], 1898–1973, German chemist. Educated at the Univ. of Marburg, he taught at Heidelberg and Halle and for a short period at the Univ. of Chicago. He became director of ...

Respighi, Ottorino

(Encyclopedia)Respighi, Ottorino ôttōrēˈnō rāspēˈgē [key], 1879–1936, Italian composer, studied with Rimsky-Korsakov and Max Bruch. He was director (1924–25) of the Conservatory of St. Cecilia, Rome, a...