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epinephrine

(Encyclopedia)epinephrine ĕpˌənĕfˈrīn [key], hormone important to the body's metabolism, also known as adrenaline. Epinephrine, a catecholamine, together with norepinephrine, is secreted principally by the me...

Mendelssohn, Moses

(Encyclopedia)Mendelssohn, Moses mĕnˈdəlsən, Ger. mōˈzĕs mĕnˈdəls-zōnˌ [key], 1729–86, German-Jewish philosopher; grandfather of Felix Mendelssohn. He was a leader in the movement for cultural assimil...

Osterman, Andrei Ivanovich, Count

(Encyclopedia)Osterman, Andrei Ivanovich, Count əndrāˈ ēväˈnəvĭch əstyĭrmänˈ [key], 1686–1747, Russian statesman, b. Germany. His original name was Heinrich Johann Friedrich Ostermann. Under Czar Pete...

Turnverein

(Encyclopedia)Turnverein to͝ornˈfərīn [key], society of a type originated in Prussia by Friedrich Ludwig Jahn. The first hall of such a society was built in 1811 on the Hasenheide athletic grounds, near Berlin....

Brandt, Willy

(Encyclopedia)Brandt, Willy vĭlˈē bränt [key], 1913–92, German political leader. His name originally was Karl Herbert Frahm. Active in his youth in the Social Democratic party, after Adolf Hitler came to powe...

Wallenberg, Raoul

(Encyclopedia)Wallenberg, Raoul räo͞olˈ vălˈĕnbâr [key] 1912–47, Swedish diplomat and businessman. In 1944, he was assigned to Sweden's legation in Budapest, where he helped save approximately 100,000 Hung...

Rommel, Erwin

(Encyclopedia)Rommel, Erwin ĕrˈvēn rômˈəl [key], 1891–1944, German field marshal. He entered the army in 1910 and rose slowly through the ranks. In 1939, Adolf Hitler made him a general. Rommel brilliantly ...

Menger, Carl

(Encyclopedia)Menger, Carl kärl mĕngˈər [key], 1840–1921, Austrian economist, a founder of the Austrian school of economics. He was professor of economics at the Univ. of Vienna from 1873 until 1903, when he ...

X-ray crystallography

(Encyclopedia)X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is scattered in a defini...

Riemann, Bernhard

(Encyclopedia)Riemann, Bernhard (Georg Friedrich Bernhard Riemann) gāˈôrk frēˈdrĭkh bĕrnˈhärt rēˈmän [key], 1826–66, German mathematician. He studied at the universities of Göttingen and Berlin and w...