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Leuckart, Karl Georg Friedrich Rudolf

(Encyclopedia)Leuckart, Karl Georg Friedrich Rudolf kärl gāˈôrk frēˈdrĭkh ro͞oˈdôlf loiˈkärt [key], 1823–98, German zoologist, a founder of the science of parasitology. He made important discoveries i...

Rundstedt, Karl Rudolf Gerd von

(Encyclopedia)Rundstedt, Karl Rudolf Gerd von kärl ro͞oˈdôlf gĕrt fən ro͝ontˈshtĕt [key], 1875–1953, German field marshal. He proved his exceptional abilities in World War I. In World War II he commanded...

Slatin, Rudolf Carl, Freiherr von

(Encyclopedia)Slatin, Rudolf Carl, Freiherr von päˈshä [key], 1857–1932, Austrian adventurer in British and Egyptian service. Called to Egypt by C. G. Gordon, Slatin became governor of Dara (1879) and governor...

Vischer, Peter

(Encyclopedia)Vischer, Peter fĭshˈər [key], the elder, c.1455–1529, German sculptor, foremost of the bronze founders in Germany. Beginning as the assistant of his father, Hermann Vischer, Peter set up his own...

Helmholtz, Hermann Ludwig Ferdinand von

(Encyclopedia)Helmholtz, Hermann Ludwig Ferdinand von hĕrˈmän lo͞otˈvĭkh fĕrˈdēnänt fən hĕlmˈhôlts [key], 1821–94, German scientist. Although known especially as a physicist and biologist, he was al...

Ottocar II

(Encyclopedia)Ottocar II or Přemysl Ottocar II, c.1230–1278, king of Bohemia (1253–78), son and successor of Wenceslaus I. Ottocar shrewdly exploited the disorders of the great interregnum in the Holy Roman Em...

substance

(Encyclopedia)substance, in philosophy, term used to denote the changeless substratum presumed in some philosophies to be present in all being. Aristotle defined substance as that which possesses attributes but is ...

Mayerling

(Encyclopedia)Mayerling mīˈərlĭng [key], village, Lower Austria prov., E Austria, on the Schwechat River, in the Wienerwald (Vienna Woods). It is the site of the hunting lodge (now a convent) where Crown Prince...

Matthias

(Encyclopedia)Matthias, 1557–1619, Holy Roman emperor (1612–19), king of Bohemia (1611–17) and of Hungary (1608–18), son of Holy Roman Emperor Maximilian II. He was appointed governor of Austria (1593) by h...

Gregory X

(Encyclopedia)Gregory X, d. 1276, pope (1271–76), an Italian named Tebaldo Visconti, b. Piacenza; successor of Clement IV. After Clement IV's death the cardinals took 34 months to elect a pope. Gregory was archde...