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Hapsburg, Otto von

(Encyclopedia)Hapsburg, Otto von, 1912–2011, Austrian archduke and former pretender to the Austro-Hungarian throne, son of Emperor Charles I and Empress Zita. After World War II began, he went to the United State...

Guericke, Otto von

(Encyclopedia)Guericke, Otto von ôˈtō fən gāˈrĭkə [key], 1602–86, German physicist, noted for his study of pneumatics. He carried out his most important researches while burgomaster (1646–81) of Magdebu...

Kahn, Otto Hermann

(Encyclopedia)Kahn, Otto Hermann kän [key], 1867–1934, American banker and patron of the arts, born and educated in Germany. He emigrated to the United States in 1893 and in 1897 joined the banking firm of Kuhn,...

Fischer, Ernst Otto

(Encyclopedia)Fischer, Ernst Otto, 1918–2007, German chemist, Ph.D. Technical Univ. of Munich (TUM), 1952. Fischer was a professor at TUM (1954–57) and the Univ. of Munich (1957–64). He returned to TUM in 196...

Pérez Molina, Otto

(Encyclopedia)Pérez Molina, Otto, 1950–, Guatemalan army officer and politician, b. Guatemala City. Pérez rose through the officer ranks to become a general, leading troops and then military intelligence during...

Runge, Philipp Otto

(Encyclopedia)Runge, Philipp Otto fēˈlĭp ôtˈō ro͝ongˈə [key], 1777–1810, German painter. Immersed in the mysticism of the romantic movement in Germany, Runge became a central figure of romantic painting....

Otto, Austrian archduke

(Encyclopedia)Otto: see Hapsburg, Otto von.

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...