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Hahnemann, Samuel

(Encyclopedia)Hahnemann, Samuel zäˈmo͞oĕl häˈnəmän [key], 1755–1843, German physician, founder of homeopathy. He expounded his system in Organon of the Rational Art of Healing (1810, tr. 1913). He practic...

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...

Most, Johann Joseph

(Encyclopedia)Most, Johann Joseph mōst [key], 1846–1906, German anarchist. A bookbinder by trade, he served as editor of socialist papers in Germany and Austria. His publications were suppressed, and he was freq...

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...

Plimsoll, Samuel

(Encyclopedia)Plimsoll, Samuel plĭmˈsəl [key], 1824–98, English reformer. Plimsoll was particularly interested in the welfare of sailors. As a member of Parliament (1868–80) he secured legislation limiting t...

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 ...

Sewall, Samuel

(Encyclopedia)Sewall, Samuel syo͞oˈəl [key], 1652–1730, American colonial jurist, b. England. He was taken as a child to Newbury, Mass., and was graduated from Harvard in 1671. He became a minister but gave up...