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metaphysics

(Encyclopedia)metaphysics mĕtəfĭzˈĭks [key], branch of philosophy concerned with the ultimate nature of existence. It perpetuates the Metaphysics of Aristotle, a collection of treatises placed after the Physic...

Struve

(Encyclopedia)Struve shtro͞oˈvə [key], family of astronomers. Friedrich Georg Wilhelm von Struve, 1793–1864, was born in Germany but later lived in Russia. While director (1817–39) of Dorpat Observatory he w...

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...

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...

Leichhardt, Friedrich Wilhelm Ludwig

(Encyclopedia)Leichhardt, Friedrich Wilhelm Ludwig frēˈdrĭkh vĭlˈhĕlm lo͞odˈvĭkh līkhˈhärt [key], 1813–1848?, Prussian explorer of Australia. He led (1844–45) an expedition from Moreton Bay to Port ...

Ludwig, Carl Friedrich Wilhelm

(Encyclopedia)Ludwig, Carl Friedrich Wilhelm kärl frēˈdrĭkh vĭlˈhĕlm lo͞otˈvĭkh [key], 1816–95, German physiologist. He became world famous as professor (from 1865) and head of the physiological institu...

Butenandt, Adolf Friedrich Johann

(Encyclopedia)Butenandt, Adolf Friedrich Johann, 1903–95, German biochemist, Ph.D. Univ. of Göttingen, 1927. Butenandt held academic posts at the Univ. of Göttingen (1927–33) and the Institute of Technology a...

Bergius, Friedrich Karl Rudolf

(Encyclopedia)Bergius, Friedrich Karl Rudolf, 1884–1949, German chemist, Ph.D. Univ. of Leipzig, 1907. In 1910, Bergius set up a laboratory to carry out his research and in 1914 transferred the operation to the E...