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lawrencium

(Encyclopedia)lawrencium, artificially produced radioactive chemical element; symbol Lr; at. no. 103; mass number of most stable isotope 262; m.p. about 1,627℃; b.p. and sp. gr. unknown; valence +3. Lawrencium is...

fermium

(Encyclopedia)fermium fûrˈmēəm [key] [for Enrico Fermi], artificially produced radioactive chemical element; symbol Fm; at. no. 100; mass no. of most stable isotope 257; m.p. 1,527℃; b.p. and sp. gr. unknown;...

yttrium

(Encyclopedia)yttrium ĭtˈrēəm [key] [for Ytterby, a town in Sweden], metallic chemical element; symbol Y; at. no. 39; at. wt. 88.90585; m.p. about 1,522℃; b.p. 3,338℃; sp. gr. about 4.45; valence +3. Yttriu...

O'Toole, Erin Michael

(Encyclopedia)O'Toole, Erin Michael, 1973–, Canadian politician. He served in the Royal Canadian Air Force (1991–2000), then earned a law degree and practised corporate law. A member of the Conservative party, ...

reprisal

(Encyclopedia)reprisal, in international law, the forcible taking, in time of peace, by one country of the property or territory belonging to another country or to the citizens of the other country, to be held as a...

Vattel, Emerich de

(Encyclopedia)Vattel, Emerich de āˈmərĭkh də vätĕlˈ [key], 1714–67, Swiss philosopher and jurist. He served (1746–58) as Saxon minister at Bern and later in the cabinet of Augustus III at Dresden. He is...

Wirtz, William Willard

(Encyclopedia)Wirtz, William Willard, 1912–2010, U.S. secretary of labor (1962–69), b. DeKalb, Ill. A professor of law at Northwestern Univ. (1939–42), he served (1943–45) with the War Labor Board and was (...

Boltzmann, Ludwig

(Encyclopedia)Boltzmann, Ludwig lo͝otˈvĭkh bôltsˈmän [key], 1844–1906, Austrian physicist, b. Vienna, educated at Univ. of Vienna. He began teaching (1869) at Graz Univ. In 1873 he became mathematics profes...

Frankfurter, Felix

(Encyclopedia)Frankfurter, Felix, 1882–1965, American jurist, associate justice of the U.S. Supreme Court (1939–62), b. Vienna, Austria. He emigrated to the United States as a boy and later received (1906) his ...

benefit of clergy

(Encyclopedia)benefit of clergy, term originally applied to the exemption of Christian clerics from criminal prosecution in the secular courts. The privilege was established by the 12th cent., and it extended only ...