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Olbers, Heinrich Wilhelm Matthäus

(Encyclopedia)Olbers, Heinrich Wilhelm Matthäus hīnˈrĭkh vĭlˈhĕlm mätĕˈo͝os ôlˈbərs [key], 1758–1840, German astronomer and physician. He originated (1797) the first satisfactory method for calculat...

Bothe, Walther Wilhelm Georg

(Encyclopedia)Bothe, Walther Wilhelm Georg, 1891–1957, German physicist, Ph.D. Univ. of Berlin, 1923. Bothe was a researcher at the Reich Physical and Technical Institute (1913–30) and a professor at Heidelberg...

Sommerfeld, Arnold Johannes Wilhelm

(Encyclopedia)Sommerfeld, Arnold Johannes Wilhelm ärˈnōlt yōhänˈəs vĭlˈhĕlm zômˈərfĕlt [key], 1868–1951, German physicist and teacher. He received a Ph.D. at Königsburg Univ. in 1891 and was a prof...

Weierstrass, Karl Wilhelm Theodor

(Encyclopedia)Weierstrass, Karl Wilhelm Theodor kärl vĭlˈhĕlm tāˈōdōr vīˈərshträs [key], 1815–97, German mathematician. From 1864 he was professor of mathematics at the Univ. of Berlin. His developmen...

will, in philosophy and psychology

(Encyclopedia)will, in philosophy and psychology, term used to describe that which is alleged to stimulate the motivation of purposeful activity. It is characteristic of the will that it can be observed only in one...

Logau, Friedrich, Freiherr von

(Encyclopedia)Logau, Friedrich, Freiherr von frēˈdrĭkh frīˈhĕr fən lōˈgou [key], 1604–55, German poet, b. Silesia. Influenced by Martin Opitz, Logau wrote epigrams in the contemporary fashion, bringing a...

Martens, Georg Friedrich von

(Encyclopedia)Martens, Georg Friedrich von gāôrkhˈ frēˈdrĭkh fôn märˈtəns [key], 1756–1821, German writer on international law, b. Hamburg. He was professor of international law at Göttingen (1783–89...

Klinger, Friedrich Maximilian von

(Encyclopedia)Klinger, Friedrich Maximilian von frēˈdrĭkh mäkˌsēmēˈlyän fən klĭngˈər [key], 1752–1831, German dramatist. A friend of the young Goethe, he was a playwright for a theatrical troupe and ...

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...