Columbia Encyclopedia

Search results

241 results found

Stern, Otto

(Encyclopedia)Stern, Otto stûrn, Ger. ôˈtō shtĕrn [key], 1888–1969, American physicist, b. Germany, Ph.D. Univ. of Breslau, 1912. After resigning from his post at the Univ. of Hamburg in 1933, he became prof...

Bütschli, Otto

(Encyclopedia)Bütschli, Otto ôˈtō büchˈlē [key], 1848–1920, German zoologist. He was professor of zoology at the Univ. of Heidelberg. His researches on invertebrate animals advanced knowledge of the develo...

protactinium

(Encyclopedia)protactinium prōˌtăktĭnˈēəm [key], radioactive chemical element; symbol Pa; at. no. 91; mass number of most stable isotope 231; m.p. greater than 1,600℃; b.p. 4,026℃; sp. gr. 15.37 (calcula...

Kotzebue, Otto von

(Encyclopedia)Kotzebue, Otto von ôˈtō vônˈ kôtˈzəbo͞o [key], 1787–1846, Russian naval officer and explorer; son of A. F. F. von Kotzebue. He accompanied A. J. von Krusenstern on his circumnavigation (180...

Krag, Jens Otto

(Encyclopedia)Krag, Jens Otto yĕns ôˈtō kräkh [key], 1914–78, Danish political leader. A Social Democrat, he entered parliament in 1947 and played a leading role in shaping Denmark's postwar economic policie...

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...

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...