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Bloch, Ernst

(Encyclopedia)Bloch, Ernst, 1885–1977, German Marxist philosopher. He taught at the Univ. of Leipzig (1918–33), drifting toward Marxist thought during the 1920s. He fled the Nazis after 1933, moving first to Sw...

Fleming, Sir Alexander

(Encyclopedia)Fleming, Sir Alexander, 1881–1955, Scottish bacteriologist, discoverer of penicillin (1928) and lysozyme (1922), an antibacterial substance found in saliva and other body secretions. Educated at St....

polymerase chain reaction

(Encyclopedia)polymerase chain reaction pŏlˈĭmərāsˌ [key] (PCR), laboratory process in which a particular DNA segment from a mixture of DNA chains is rapidly replicated, producing a large, readily analyzed sa...

open-chain compound

(Encyclopedia)open-chain compound: see aliphatic compound. ...

Pasternak, Boris Leonidovich

(Encyclopedia)Pasternak, Boris Leonidovich păsˈtərnăkˌ, Rus. bərēsˈ lyāˌənyēˈdəvĭch pəstyĭrnäkˈ [key], 1890–1960, Russian poet and translator. Pasternak became an international symbol of the in...

Nemtsov, Boris Yefimovich

(Encyclopedia)Nemtsov, Boris Yefimovich, 1959–2015, Russian physicist and politician. He worked at the Gorky Radiophysics Research Institute (1981–90) before he was elected to the Soviet Congress of People's De...

Vogau, Boris Andreyevich

(Encyclopedia)Vogau, Boris Andreyevich: see Pilnyak, Boris. ...

Stürmer, Boris Vladimirovich

(Encyclopedia)Stürmer, Boris Vladimirovich bərēsˈ vlədyēˈmĭrəvĭch shtyo͞orˈmĭr [key], 1848–1917, Russian public official. He became premier early in 1916 and shortly afterward replaced Sazonov as for...

Yeltsin, Boris Nikolayevich

(Encyclopedia)Yeltsin, Boris Nikolayevich bərēsˈ nyĭkəlīˈəvĭch yĕltˈsĭn [key], 1931–2007, Soviet and Russian politician, president of Russia (1991–99). Born in Yekaterinburg (then Sverdlovsk) and ed...

Bugayev, Boris Nikolayevich

(Encyclopedia)Bugayev, Boris Nikolayevich: see Bely, Andrei. ...