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Nernst, Walther Hermann

(Encyclopedia)Nernst, Walther Hermann välˈtər hĕrˈmän nĕrnst [key], 1864–1941, German physicist and chemist, a founder of modern physical chemistry. After doing outstanding research on osmotic pressure and...

contraband

(Encyclopedia)contraband, in international law, goods necessary or useful in the prosecution of war that a belligerent may lawfully seize from a neutral who is attempting to deliver them to the enemy. The term is s...

Greenwich mean time

(Encyclopedia)Greenwich mean time or Greenwich meridian time (GMT), the former name for mean solar time at the site of the Royal Observatory in Greenwich, England, which is located on the prime meridian. In 1925 th...

galactic coordinate system

(Encyclopedia)galactic coordinate system, astronomical coordinate system in which the principal axis is the galactic equator (the intersection of the plane of the Milky Way with the celestial sphere) and the refere...

Newberry, Walter Loomis

(Encyclopedia)Newberry, Walter Loomis, 1804–68, American merchant and banker, b. East Windsor (in the section now South Windsor), Conn. In 1822 he entered the shipping business with his brother Oliver in Buffalo,...

Rakhmon, Emomali

(Encyclopedia)Rakhmon, Emomali, 1952–, Tajik political leader. His surname was Rahkmonov until 2007, when he called for Tajiks to revive their traditions and derussify their names. Rakhmon was the head of a state...

Watson, Thomas John, Jr.

(Encyclopedia)Watson, Thomas John, Jr., 1914–93, American industrialist, b. Dayton, Ohio. The son of Thomas John Watson, Sr., the founder of the International Business Machines Corp. (IBM), he joined the family b...

peace congresses

(Encyclopedia)peace congresses, multinational meetings to achieve or preserve peace and to prevent wars. Although philosophical and religious pacifism is almost as old as war itself, organized efforts to outlaw war...

endangered species

(Encyclopedia)endangered species, any plant or animal species whose ability to survive and reproduce has been jeopardized by human activities. In 1999 the U.S. government, in accordance with the U.S. Endangered Spe...

Barton, Derek H. R.

(Encyclopedia)Barton, Derek H. R., 1918–98, British chemist, b. Gravesend, England, grad. Imperial College of Science and Technology (B.S. 1940, Ph.D. 1942, D.Sc. 1949). He was on the faculty of Imperial College ...