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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 ...

Biron, Ernst Johann von

(Encyclopedia)Biron or Biren, Ernst Johann von ĕrnst yōhänˈ fən bēˈrôn, bēˈrən [key], 1690–1772, duke of Courland (1737–43, 1763–69), favorite of Czarina Anna of Russia. A Baltic nobleman, he rose ...

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...

Bernstorff, Johann Hartwig Ernst

(Encyclopedia)Bernstorff, Johann Hartwig Ernst bĕrnsˈtôrf [key], 1712–72, Danish politician, of German (Hanoverian) origin. As minister of foreign affairs (1751–70) under Frederick V and Christian VII, he s...

Bach

(Encyclopedia)Bach bäkh [key], German family of distinguished musicians who flourished from the 16th through the 18th cent., its most renowned member being Johann Sebastian Bach (see separate articleBach, Johann S...

Leuckart, Karl Georg Friedrich Rudolf

(Encyclopedia)Leuckart, Karl Georg Friedrich Rudolf kärl gāˈôrk frēˈdrĭkh ro͞oˈdôlf loiˈkärt [key], 1823–98, German zoologist, a founder of the science of parasitology. He made important discoveries i...

Bernstorff, Johann Heinrich, Graf von

(Encyclopedia)Bernstorff, Johann Heinrich, Graf von bĕrnsˈtôrf [key], 1862–1939, German diplomat. As ambassador to the United States (1908–17), he tried to conciliate American feelings toward Germany and re...

Agricola, Georgius

(Encyclopedia)Agricola, Georgius gāˈôrk bouˈər [key], 1494–1555, German physician and scientist, known as the father of mineralogy. He was a pioneer in physical geology and the first to classify minerals sci...

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