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du Vigneaud, Vincent

(Encyclopedia) du Vigneaud, Vincentdu Vigneaud, Vincentdy&oomacr; vēnˈyō [key], 1901–78, American biochemist, b. Chicago. He was professor of biochemistry and head of the department at George…

Eastbourne

(Encyclopedia) Eastbourne Eastbourne ēstˈbôrn [key], town and district, East Sussex, SE England. Eastbourne is a…

Ghazouani, Mohamed Ould

(Encyclopedia) Ghazouani, Mohamed Ould, 1956–, Mauritanian military and political leader, president of Mauritania (2019–). He joined the military in the late 1970s, rising to become commander of the…

Carmona, António Oscar de Fragoso

(Encyclopedia) Carmona, António Oscar de FragosoCarmona, António Oscar de Fragosoəntôˈnyō əshkärˈ dĭ frəgôˈs&oobreve; kərmôˈnə [key], 1869–1951, Portuguese general. One of the leaders of the…

Xingu

(Encyclopedia) XinguXinguzĭng-g&oomacr;ˈ, Port. shēng-g&oomacr;ˈ [key], river, 1,230 mi (1,979 km) long, rising in central Mato Grosso state, Brazil, and winding north across Pará state into…

Biringuccio, Vannocio

(Encyclopedia) Biringuccio, VannocioBiringuccio, Vannociovän-nôˈchō bērēn-g&oomacr;tˈchō [key], 1480–c.1539, Italian metallurgist. He is best known for his practical manual of metallurgy, De la…

Benediktsson, Bjarni

(Encyclopedia) Benediktsson, BjarniBenediktsson, Bjarnibĭyärˈnē bĕnĕdĭktˈsōn [key], 1908–70, Icelandic statesman. A lawyer, he was a vocal advocate of Iceland's independence from Denmark, and became…

Van Tyne, Claude Halstead

(Encyclopedia) Van Tyne, Claude Halstead, 1869–1930, American historian, b. Tecumseh, Mich. An assistant professor at the Univ. of Michigan (1903–6) and a professor there from 1906 to his death, he…

Theophrastus

(Encyclopedia) TheophrastusTheophrastusthēˌōfrăsˈtəs [key] [Gr.,=divinely speaking], c.372–c.287 b.c., Greek philosopher, Aristotle's successor as head of the Peripatetics. The school flourished…

tick

(Encyclopedia) tick, small, parasitic arachnid of the order Ixodida, closely related to the mites. Ticks, which are larger than the often microscopic mites, are all parasitic in at least one…