Columbia Encyclopedia

(Encyclopedia) Delbrück, Rudolf von dĕlˈbrük [key], 1817–1903, German statesman. He served (1857–76) under Bismarck as president of the chancellery of the North German Confederation (1866–71) and, after 1...

(Encyclopedia) Rudolf, Lake: see Turkana, Lake.

(Encyclopedia) Hertz, Heinrich Rudolf hĕrts [key], 1857–94, German physicist. He confirmed J. C. Maxwell's electromagnetic theory and in the course of experiments (1886–89) produced and studied electromagnetic...

(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...

(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...

(Encyclopedia) Wittkower, Rudolf wĭtˈkōv-ər, Ger. vĭtˈkōv-ər [key], 1901–71, German-American art historian. After gaining his doctorate in Berlin, Wittkower became a research assistant and later research f...

(Encyclopedia) humor, according to ancient theory, any of four bodily fluids that determined human health and temperament. Hippocrates postulated that an imbalance among the humors (blood, phlegm, yellow bile, and b...

(Encyclopedia) Eucken, Rudolf Christoph ro͞oˈdôlf krĭsˈtôf oikˈən [key], 1846–1926, German philosopher, studied at Göttingen and Berlin. He taught philosophy at Basel and became professor of philosophy at...

(Encyclopedia) Bennigsen, Rudolf von ro͞oˈdôlf fən bĕnˈĭksən [key], 1824–1902, German political leader. A liberal nationalist from Hanover, he favored German unification under a democratic Prussian state. ...

(Encyclopedia) Thorbecke, Jan Rudolf yän ro͞oˈdôlf tôrˈbĕkə [key], 1798–1872, Dutch statesman. An eminent jurist and the leading liberal politician of his day, he was one of the men appointed in 1848 by Ki...