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Karlskrona

(Encyclopedia)Karlskrona kärlskro͞oˈnä [key], city (1990 pop. 31,100), capital of Blekinge co., SE Sweden, on the Baltic Sea. It is a seaport and fishing center with a large modern port. The city has been the h...

Franck, James

(Encyclopedia)Franck, James frängk [key], 1882–1964, German physicist. He was professor of physics at Göttingen and at Johns Hopkins (1935–38) and professor of physical chemistry at the Univ. of Chicago from ...

Rjukan

(Encyclopedia)Rjukan rēo͞oˈkän [key], town, Telemark co., S Norway, on the Rjukanfoss, one of several high waterfalls of the Måne River. Its large power stations supply electricity to saltpeter and chemical fe...

Lucretius

(Encyclopedia)Lucretius (Titus Lucretius Carus) lo͞okrēˈshəs [key], c.99 b.c.–c.55 b.c., Roman poet and philosopher. Little is known about his life. A chronicle of St. Jerome speaks of the loss of his reason ...

Groves, Leslie Richard

(Encyclopedia)Groves, Leslie Richard, 1896–1970, American army officer and engineer who headed the program that developed America's atomic bomb, b. Albany, N.Y., grad. West Point (1918). He was commissioned in th...

Marbury v. Madison

(Encyclopedia)Marbury v. Madison, case decided in 1803 by the U.S. Supreme Court. William Marbury had been commissioned justice of the peace in the District of Columbia by President John Adams in the “midnight ap...

Nansen International Office for Refugees

(Encyclopedia)Nansen International Office for Refugees, worldwide agency est. 1931 by the League of Nations to work on behalf of refugees. It was named for Fridjof Nansen, head of the League's High Commission for R...

Pujo, Arsène Paulin

(Encyclopedia)Pujo, Arsène Paulin arsĕnˈ pôlăNˈ püzhōˈ [key], 1861–1939, U.S. congressman, b. Lake Charles, La. He practiced law in Louisiana before serving (1903–13) as a Democratic Congressman in the...

Boyer, Paul Delos

(Encyclopedia)Boyer, Paul Delos, 1918–2018, American biochemist, b. Provo, Utah, Ph.D. Univ. of Wisconsin–Madison, 1943. Boyer taught at the Univ. of Minnesota, first in Saint Paul (1946–56) and then in Minne...

hydrogen

(Encyclopedia)hydrogen hīˈdrəjən [key] [Gr.,=water forming], gaseous chemical element; symbol H; at. no. 1; interval in which at. wt. ranges 1.00784–1.00811; m.p. −259.14℃; b.p. −252.87℃; density 0.08...