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Harlan, John Marshall, 1833–1911, associate justice of the U.S. Supreme Court

(Encyclopedia)Harlan, John Marshall, 1833–1911, American jurist, associate justice of the U.S. Supreme Court (1877–1911), b. Boyle co., Ky., grad. Centre College, 1850. Admitted to the bar in 1853, he served in...

electromagnet

(Encyclopedia)CE5 Electromagnet electromagnet, device in which magnetism is produced by an electric current. Any electric current produces a magnetic field, but the field near an ordinary straight conductor is ...

ulcer

(Encyclopedia)ulcer, open sore or circumscribed erosion, usually slow to heal, on the skin or mucous membranes. It may develop as a result of injury; because of a circulatory disturbance, e.g., in varicose veins or...

XYZ Affair

(Encyclopedia)XYZ Affair, name usually given to an incident (1797–98) in Franco-American diplomatic relations. The United States had in 1778 entered into an alliance with France, but after the outbreak of the Fre...

Coleman, William Thaddeus, Jr.

(Encyclopedia)Coleman, William Thaddeus, Jr., 1920–2017, African-American lawyer and U.S. cabinet official, b. Philadelphia, grad. Univ. of Pennsylvania, 1941, Harvard Law School, 1946. He clerked for Justice Fra...

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...

Bikini

(Encyclopedia)Bikini bēkēˈnē [key], atoll, c.2 sq mi (5.2 sq km), W central Pacific, one of the Ralik Chain, Marshall Islands. It comprises 36 islets on a reef 25 mi (40 km) long. After its inhabitants were rem...

Vandenberg, Arthur Hendrick

(Encyclopedia)Vandenberg, Arthur Hendrick, 1884–1951, American politician, b. Grand Rapids, Mich. He was editor and publisher of the Grand Rapids Herald from 1906 to 1928, when he was appointed to fill a U.S. Sen...

Pinckney, Charles Cotesworth

(Encyclopedia)Pinckney, Charles Cotesworth, 1746–1825, American political leader and diplomat, b. Charleston, S.C.; brother of Thomas Pinckney and cousin of Charles Pinckney. After attending Oxford and the milita...

potential, electric

(Encyclopedia)potential, electric, work per unit of electric charge expended in moving a charged body from a reference point to any given point in an electric field (see electrostatics). The potential at the refere...