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Otto, Frei Paul

(Encyclopedia)Otto, Frei Paul ôˈtō [key], 1925–2015, German architect. Most notable for his tensile and pneumatic structures, Otto was among the first major architects to experiment with lightweight design. H...

Otto, Nikolaus August

(Encyclopedia)Otto, Nikolaus August nēˈkōlous ouˈgo͝ost ôˈtō [key], 1832–91, German engineer. He was coinventor (1867) of an internal-combustion engine, and he devised (1876) the four-stroke Otto cycle, w...

Otto of Freising

(Encyclopedia)Otto of Freising frīˈzĭng [key], b. after 1111, d. 1158, German chronicler, bishop of Freising. He was a son of Leopold III of Austria, a half-brother of Emperor Conrad III, and an uncle of Emperor...

Otto the Great

(Encyclopedia)Otto the Great: see Otto I, Holy Roman emperor. ...

Warburg, Otto Heinrich

(Encyclopedia)Warburg, Otto Heinrich ŏtˈō hīnˈrĭkh värˈbo͝orkh [key], 1883–1970, German physiologist. He was director (1931–53) of the Kaiser Wilhelm Institute (now Max Planck Institute) for cell physi...

Bismarck, Otto von

(Encyclopedia)Bismarck, Otto von bĭzˈmärk, Ger. ôˈtō fən bĭsˈmärk [key], 1815–98, German statesman, known as the Iron Chancellor. The Bismarckian era closed with the death of Emperor Frederick III. A ...

Wright brothers

(Encyclopedia)Wright brothers, American airplane inventors and aviation pioneers. Orville Wright 1871–1948, was born in Dayton, Ohio, and Wilbur Wright, 1867–1912, near New Castle, Ind. Their interest in aviati...

glider

(Encyclopedia)glider, type of aircraft resembling an airplane but having at most a small auxiliary propulsion plant and usually no means of propulsion at all. The typical modern glider has very slender wings and a ...

Liman von Sanders, Otto

(Encyclopedia)Liman von Sanders, Otto ôˈtō lēˈmän fən zänˈdərs [key], 1855–1929, German general. In 1913 he was made head of the German military mission to Constantinople to reorganize the army of the O...

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