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Bruno, Saint, 925–65, German churchman and statesman

(Encyclopedia)Bruno, Saint bro͞oˈnō [key], 925–65, German churchman and statesman; brother and chief adviser of the first Holy Roman emperor, Otto I, whose chancellor he was from c.950. He was made (953) archb...

Trevelyan, Sir Charles Edward

(Encyclopedia)Trevelyan, Sir Charles Edward trĭvĕlˈyən [key], 1807–86, British colonial administrator. After a period of service in India, he returned (1838) to England and was (1840–59) assistant secretary...

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...

Hill, Archibald Vivian

(Encyclopedia)Hill, Archibald Vivian, 1886–1977, British physiologist, B.A. Cambridge, 1909. Hill was a professor at Manchester Univ. (1920–23) and University College, London (1923–25) before becoming a resea...

Návplion

(Encyclopedia)Návplion nôˈplēə [key], town (1991 pop. 11,897), capital of Argolís prefecture, S Greece, in the Peloponnesus, a port on the Gulf of Argolís. It is a commercial center that ships tobacco, cotto...

Mavrokordatos, Alexander

(Encyclopedia)Mavrokordatos or Mavrocordatos, Alexander both: mävˌrôkôr-ᵺäˌtôs [key], 1791–1865, Greek patriot and statesman. He took an active part in the Greek revolt (1821) against Turkey and wrote th...

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...

Rabaul

(Encyclopedia)Rabaul räˈboul [key], town (1990 pop. 17,044), on New Britain island, Bismarck Archipelago, a part of Papua New Guinea. Situated within an active caldera surrounded by volcanoes, the city has long b...