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Grimm's law

(Encyclopedia)Grimm's law, principle of relationships in Indo-European languages, first formulated by Jakob Grimm in 1822 and a continuing subject of interest and investigation to 20th-century linguists. It shows t...

Göttingen

(Encyclopedia)Göttingen götˈĭng-ən [key], city, Lower Saxony, central Germany, on the Leine River. It is ...

calculus of variations

(Encyclopedia)calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the variables themselves, a...

Jay, Ricky

(Encyclopedia)Jay, Ricky, 1946–2018, American magician, actor, and writer, b. Brooklyn, N.Y., as Richard Jay Potash. The grandson of a fine amateur magician, Jay first performed at age four and as a teenager bega...

Ladislaus V

(Encyclopedia)Ladislaus V or Ladislaus Posthumus, 1440–57, king of Hungary (1444–57) and, as Ladislaus I, king of Bohemia (1453–57). Ladislaus, duke of Austria by birth as the posthumous son of Albert of Haps...

suite

(Encyclopedia)suite swēt [key], in music, instrumental form derived from dance and consisting of a series of movements usually in the same key but contrasting in rhythm and mood. The principle of the suite can be ...

theosophy

(Encyclopedia)theosophy thēŏsˈəfē [key] [Gr.,=divine wisdom], philosophical system having affinities with mysticism and claiming insight into the nature of God and the world through direct knowledge, philosoph...

folklore

(Encyclopedia)folklore, the body of customs, legends, beliefs, and superstitions passed on by oral tradition. It includes folk dances, folk songs, folk medicine (the use of magical charms and herbs), and folktales ...

Mendelssohn, Felix

(Encyclopedia)Mendelssohn, Felix (Jakob Ludwig Felix Mendelssohn) mĕnˈdəlsən, Ger. yäˈkôp lo͝otˈvĭkh fāˈlĭks mĕnˈdəls-zōnˌ [key], 1809–47, German composer; grandson of the Jewish philosopher Mos...

Pietism

(Encyclopedia)Pietism pīˈətĭzəm [key], a movement in the Lutheran Church (see Lutheranism), most influential between the latter part of the 17th cent. and the middle of the 18th. It was an effort to stir the c...