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Glauber, Johann Rudolf

(Encyclopedia)Glauber, Johann Rudolf yōˈhän ro͞oˈdôlf glouˈbər [key], 1604–70, German alchemist. A forerunner of scientific chemists, Glauber made many practical advances in analytical chemistry; he devis...

Glauber's salt

(Encyclopedia)Glauber's salt, common name for sodium sulfate decahydrate, Na2SO4·10H2O; it occurs as white or colorless monoclinic crystals. Upon exposure to fairly dry air it effloresces, forming powdery anhydrou...

Wyss, Johann David

(Encyclopedia)Wyss, Johann David yōˈhän däˈvĭt vēs [key], 1743–1818, Swiss author. His Swiss Family Robinson (1813, tr. 1814), an internationally popular classic for children, relates the adventures of a s...

Rudolf I

(Encyclopedia)Rudolf I or Rudolf of Hapsburg ro͞oˈdŏlf [key], 1218–91, German king (1273–91), first king of the Hapsburg dynasty. Rudolf's election as king ended the interregnum (1250–73), during which tim...

Rudolf

(Encyclopedia)Rudolf, 1858–89, Austrian archduke, crown prince of Austria and Hungary; only son of Emperor Francis Joseph and Empress Elizabeth. Upon his mysterious death at Mayerling near Vienna (officially decl...

Glauber, Roy Jay

(Encyclopedia)Glauber, Roy Jay, 1925–2018, American physicist, b. New York City, Ph.D. Harvard, 1949. From 1952 he was on the faculty at Harvard, where he became a professor in 1956. Glauber was the co-recipient,...

Hess, Rudolf

(Encyclopedia)Hess, Rudolf, 1894–1987, German National Socialist leader, b. Alexandria, Egypt; son of a German merchant. In 1920 he became an ardent follower of Adolf Hitler and after the Munich “beer-hall puts...

Friml, Rudolf

(Encyclopedia)Friml, Rudolf (Charles Rudolf Friml) frĭmˈəl [key], 1879–1972, American composer, b. Prague. Friml lived in the United States after 1906. The best-known of his 33 light operas are The Firefly (19...

Serkin, Rudolf

(Encyclopedia)Serkin, Rudolf, 1903–91, Austrian-American pianist, b. Bohemia. Serkin gave joint recitals with Adolf Busch (his father-in-law from 1935) and made his U.S. debut (1933) with the Busch chamber player...

Rudolf II

(Encyclopedia)Rudolf II, 1552–1612, Holy Roman emperor (1576–1612), king of Bohemia (1575–1611) and of Hungary (1572–1608), son and successor of Holy Roman Emperor Maximilian II. Acceding to the Hapsburg la...