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Froebel, Friedrich Wilhelm August

(Encyclopedia)Froebel, Friedrich Wilhelm August frāˈbəl, frōˈ–, Ger. frēˈdrĭkh vĭlˈhĕlm ouˈgo͝ost fröˈbəl [key], 1782–1852, German educator and founder of the kindergarten system. He had an unha...

Menzel, Adolph Friedrich Erdmann von

(Encyclopedia)Menzel, Adolph Friedrich Erdmann von äˈdôlf frēˈdrĭkh ĕrtˈmän fən mĕnˈtsəl [key], 1815–1905, German painter and illustrator. Self-taught, Menzel made lithographic illustrations for Goet...

Kalckreuth, Leopold Karl Walter, Graf von

(Encyclopedia)Kalckreuth, Leopold Karl Walter, Graf von lāˈōpôlt kärl välˈtər gräf fən kälkˈroit [key], 1855–1928, German painter and graphic artist. He taught at the Weimar and Karlsruhe academies an...

Hardenberg, Karl August, Fürst von

(Encyclopedia)Hardenberg, Karl August, Fürst von kärl ouˈgo͝ost fürst fən härˈdənbĕrk [key], 1750–1822, Prussian administrator and diplomat, b. Hanover. After service for Hanover and Brunswick, he enter...

Schelling, Friedrich Wilhelm Joseph von

(Encyclopedia)Schelling, Friedrich Wilhelm Joseph von frēˈdrĭkh vĭlˈhĕlm yōˈzĕf fən shĕˈlĭng [key], 1775–1854, German philosopher. After theological study at Tübingen and two years of tutoring at Le...

Jansky, Karl Guthe

(Encyclopedia)Jansky, Karl Guthe, 1905–50, American radio engineer; b. Norman, Okla. After graduating (1927) from the Univ. of Wisconson, he joined the Bell Telephone Laboratories. While trying to determine the c...

Wrangel, Friedrich Heinrich Ernst, Graf von

(Encyclopedia)Wrangel, Friedrich Heinrich Ernst, Graf von frēˈdrĭkh hīnˈrĭkh ĕrnst gräf fən vrängˈəl [key], 1784–1877, Prussian field marshal. He fought in the Napoleonic Wars. In 1848 he commanded th...

Siegbahn, Karl Manne Georg

(Encyclopedia)Siegbahn, Karl Manne Georg, 1886–1978, Swedish physicist. In 1913, he began a series of experiments that led to the discovery of the M series of X rays and demonstrated the shell arrangement of elec...

Sharpless, Karl Barry

(Encyclopedia)Sharpless, Karl Barry, 1941–, American chemist, b. Philadelphia, Ph.D. Stanford, 1968. Sharpless was a professor at the Massachusetts Institute of Technology (1970–77 and 1980–90) and at Stanfor...

Bunsen, Christian Karl Josias, Freiherr von

(Encyclopedia)Bunsen, Christian Karl Josias, Freiherr von krĭsˈtyän kärl yōzēˈäs frīˈhĕr fən bo͝onˈzən [key], 1791–1860, Prussian diplomat and scholar. He studied theology at the Univ. of Göttinge...

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