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Ludwig, Otto

(Encyclopedia)Ludwig, Otto lo͞otˈvĭkh [key], 1813–65, German writer. He was one of Germany's first modern realists; although his plots were melodramatic, he sketched accurate and detailed backgrounds. After H...

Claudius II

(Encyclopedia)Claudius II (Marcus Aurelius Claudius), d. 270, Roman emperor (268–70), called Gothicus. A successful general under Valerian, Claudius put down the revolt in which Gallienus was killed. He succeeded...

Valentinian II

(Encyclopedia)Valentinian II, 371?–392, Roman emperor of the West (375–92), son of Valentinian I. Upon the death of his father, he was proclaimed emperor with his brother Gratian as coregent. After the death (3...

John XII, pope

(Encyclopedia)John XII, c.937–964, pope (955–64), a Roman (count of Tusculum) named Octavian; successor of Agapetus II and predecessor of either Leo VIII or Benedict V. His father, Alberic, secured John's elect...

Meyerhof, Otto

(Encyclopedia)Meyerhof, Otto ôˈtō mīˈərhōf [key], 1884–1951, American physiologist, b. Germany, M.D. Heidelberg, 1909. He was professor at the Univ. of Kiel (1912–24) and at the Univ. of Berlin and direc...

Hirschman, Albert Otto

(Encyclopedia)Hirschman, Albert Otto, 1915–2012, U.S. economist and social scientist, b. Berlin, Germany, as Otto Albert Hirschmann, Ph.D. Univ. of Trieste, 1938. Of Jewish descent, he fled Germany when Hitler ca...

Guelphs

(Encyclopedia)Guelphs gwĕlfs [key], European dynasty tracing its descent from the Swabian count Guelph or Welf (9th cent.), whose daughter Judith married the Frankish emperor Louis I. Guelph III (d. 1055) was made...

Pius II

(Encyclopedia)Pius II pīˈəs [key], 1405–64, pope (1458–64), an Italian named Enea Silvio de' Piccolomini (often in Latin, Aeneas Silvius), renamed Pienza after him, b. Corsigniano; successor of Calixtus III....

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...

Holy Sepulcher

(Encyclopedia)Holy Sepulcher sĕpˈəlkər [key], church in Jerusalem, officially the Church of the Resurrection. It is in the east central part of the Christian quarter, on the supposed site of Jesus' tomb. Steps ...