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Mayer, Johann Tobias

(Encyclopedia)Mayer, Johann Tobias yōˈhän tōbēˈäs mīˈər [key], 1723–62, German mathematician and astronomer. In 1751 he became professor of economics and mathematics at the Univ. of Göttingen, and in 1...

Böttger, Johann Friedrich

(Encyclopedia)Böttger, Johann Friedrich yōˈhän frēˈdrĭkh bötˈgər [key], 1682–1719, German chemist and originator of Dresden china. When the Swedish invasion of Saxony occurred (1706), Böttger and his a...

Nestroy, Johann Nepomuk

(Encyclopedia)Nestroy, Johann Nepomuk yōˈhän nāˈpōmo͝ok nĕsˈtroi [key], 1802–62, Austrian dramatist and actor. A successful performer in comedies and operettas, he later proved himself a brilliant writer...

Lambert, Johann Heinrich

(Encyclopedia)Lambert, Johann Heinrich yōˈhän hīnˈrĭkh lämˈbĕrt [key], 1728–77, German-French philosopher and scientist, b. Alsace. He developed many basic concepts in mathematics, including that of the ...

Beissel, Johann Conrad

(Encyclopedia)Beissel, Johann Conrad yōˈhän kônˈrät bīˈsəl [key], 1690–1768, founder of the Seventh-Day Baptist community at Ephrata, Pa. Emigrating (1720) from Germany, he settled first with the German ...

Winckelmann, Johann Joachim

(Encyclopedia)Winckelmann, Johann Joachim yōˈhän yōäˈkhĭm vĭngˈkəlmän [key], 1717–68, German classical archaeologist and historian of ancient art, in which field he was a noted authority. A convert to ...

Radetzky, Joseph, Graf Radetzky de Radetz

(Encyclopedia)Radetzky or Radetzki, Joseph, Graf Radetzky de Radetz yōˈzĕf rädĕtˈskē gräf rädĕtˈskē də räˈdĕts [key], 1766–1858, Austrian field marshal. In the war of 1848–49 against Sardinia (s...

Encke, Johann Franz

(Encyclopedia)Encke, Johann Franz yōˈhän fränts ĕngˈkə [key], 1791–1865, German astronomer. He was assistant (1816–22) and director (1822–25) of the observatory at Seeberg (near Gotha) and director (fr...

Struensee, Johann Friedrich

(Encyclopedia)Struensee, Johann Friedrich yōˈhän frēˈdrĭkh shtro͞oˈənzā, stro͞oˈ– [key], 1737–72, Danish politician, b. Germany. As physician to Christian VII he gained complete mastery over the ins...

Basedow, Johann Bernhard

(Encyclopedia)Basedow, Johann Bernhard yōhänˈ bĕrnˈhärt bäˈzədō [key], 1723–90, German educator, b. Hamburg, educated in Hamburg and at the Univ. of Leipzig. Later he taught in Denmark (1753) and German...