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Sol, in Roman religion

(Encyclopedia)Sol sŏl [key], in Roman religion, sun god. An ancient god of Mesopotamian origin, he was introduced (c.220) into Roman religion as Sol Invictus by emperor Heliogabalus. His worship remained an import...

Michael II, Byzantine emperor

(Encyclopedia)Michael II (Michael the Stammerer), d. 829, Byzantine emperor (820–29). A native of Phrygia, he fought with Emperor Leo V, whom he had helped gain the throne. Leo had him arrested for heading a cons...

Sigismund III

(Encyclopedia)Sigismund III, 1566–1632, king of Poland (1587–1632) and Sweden (1592–99). The son of John III of Sweden and Catherine, sister of Sigismund II of Poland, he united the Vasa and Jagiello dynastie...

Dix, Otto

(Encyclopedia)Dix, Otto, 1891–1969, German painter and draftsman. Dix fought in World War I and returned to Düsseldorf haunted by the horrors he had witnessed. In 1924 he published War, a series of 50 etchings, ...

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...

Jespersen, Otto

(Encyclopedia)Jespersen, Otto ŏˈtō yĕsˈpərsən [key], 1860–1943, Danish philologist. Professor of English language and literature at the Univ. of Copenhagen and later rector there, Jespersen first earned a ...

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...

Loewi, Otto

(Encyclopedia)Loewi, Otto lōˈē [key], 1873–1961, American physiologist and pharmacologist, b. Frankfurt, Germany. He was professor of pharmacology (1909–38) at the Univ. of Graz, Austria, until forced into e...

Nicolai, Otto

(Encyclopedia)Nicolai, Otto ôˈtō nēkōläˈē, nēˈkōlī [key], 1810–49, German composer. His opera Il Templario (1840), after Scott's Ivanhoe, was successful, but his masterpiece was the comic opera The Me...

Neurath, Otto

(Encyclopedia)Neurath, Otto, 1882–1945, Austrian philosopher, social scientist, and design theorist, b. Vienna. During the 1920s and 30s he was both a Marxist and a member of the Vienna Circle, an exponent of log...