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Schönbein, Christian Friedrich

(Encyclopedia)Schönbein, Christian Friedrich krĭsˈtyän frēˈdrĭkh shönˈbīn [key], 1799–1868, German chemist. From 1828 he taught at the Univ. of Basel (as professor from 1835). He discovered ozone (1840)...

Raiffeisen, Friedrich Wilhelm

(Encyclopedia)Raiffeisen, Friedrich Wilhelm frēˈdrĭkh vĭlˈhĕlm rīfˈīˌzən [key], 1818–88, German leader in the cooperative movement. Between 1845 and 1865 he was mayor of several German towns. After the...

Overbeck, Johann Friedrich

(Encyclopedia)Overbeck, Johann Friedrich yōˈhän frēˈdrĭkh oˈvərbĕk [key], 1789–1869, German religious painter. Expelled from the Vienna Academy because of his opposition to its classicism, he went to Rom...

Vischer, Friedrich Theodor

(Encyclopedia)Vischer, Friedrich Theodor frēˈdrĭkh tāˈōdôr fĭshˈər [key], 1807–87, German aesthetic philosopher. He taught at Tübingen, and later at Zürich and Stuttgart. Vischer was not only one of t...

Dieskau, Ludwig August, Baron

(Encyclopedia)Dieskau, Ludwig August, Baron lo͞otˈvĭkh ouˈgo͞ost bärōnˈ dēˈskou [key], 1701–67, French general in the French and Indian Wars. In 1755 he was sent to take command of French troops in Amer...

Delbrück, Max Ludwig Henning

(Encyclopedia)Delbrück, Max Ludwig Henning dĕlˈbrük [key], 1906–1981, American biophysicist, b. Berlin, Germany. Ph.D, Univ. of Göttingen, 1930. He spent most of his career as a professor at the California I...

Dreyer, Johan Ludwig Emil

(Encyclopedia)Dreyer, Johan Ludwig Emil yōˈhän lo͝otˈvĭkh āˈmēl [key], 1852–1926, Danish astronomer, b. Copenhagen, who worked in Great Britain. He was assistant astronomer at the earl of Rosse's observa...

Drude, Paul Karl Ludwig

(Encyclopedia)Drude, Paul Karl Ludwig poul kärl lo͝otˈvĭkh dro͞oˈdə [key], 1863–1906, German physicist. Drude first experimented with the physical determinants of optical constants, measuring the optical c...

Pastor, Ludwig, Freiherr von

(Encyclopedia)Pastor, Ludwig, Freiherr von lo͞otˈvĭkh frīˈhĕr fən päsˈtôr [key], 1854–1928, German historian. The author of the monumental and authoritative History of the Popes from the Close of the Mi...

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 ...