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Wittgenstein, Ludwig Josef Johann

(Encyclopedia)Wittgenstein, Ludwig Josef Johann loŏtˈvĭkh yōˈzĕf yōˈhän vĭtˈgənshtīn [key], 1889–1951, Austrian philosopher, b. Vienna. The second phase of Wittgenstein's philosophy commenced with ...

Chladni, Ernst Florens Friedrich

(Encyclopedia)Chladni, Ernst Florens Friedrich ĕrnst flōˈrĕns frēˈdrĭkh klädˈnē [key], 1756–1827, German physicist. An authority on acoustics, he made studies of the transmission of sound in various gas...

Hügel, Friedrich, Baron von

(Encyclopedia)Hügel, Friedrich, Baron von frēˈdrĭkh bärōnˈ fən hüˈgəl [key], 1852–1925, British Roman Catholic religious writer, b. Florence; son of an Austrian diplomat. After his marriage (1873), Hü...

Hayek, Friedrich August von

(Encyclopedia)Hayek, Friedrich August von frēˈdrĭkh ougo͝ostˈ fôn hīˈək [key], 1899–1992, British economist, b. Vienna. He was raised and educated in Austria and taught at the London School of Economics ...

Hecker, Friedrich Franz Karl

(Encyclopedia)Hecker, Friedrich Franz Karl frēˈdrĭkh fränts kärl hĕkˈər [key], 1811–81, German revolutionary. A lawyer, he was a leader of the radical republicans in the grand duchy of Baden and during th...

Hegel, Georg Wilhelm Friedrich

(Encyclopedia)Hegel, Georg Wilhelm Friedrich gāˈôrkh vĭlˈhĕlm frēˈdrĭkh hāˈgəl [key], 1770–1831, German philosopher, b. Stuttgart; son of a government clerk. Hegel has influenced many subsequent p...

Grimm, Friedrich Melchior, Baron

(Encyclopedia)Grimm, Friedrich Melchior, Baron frēˈdrĭkh mĕlˈkhēôr bärōnˈ grĭm [key], 1723–1807, German man of letters in France. He contributed to the Encyclopédie articles on music that were bellige...

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...

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