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Field, Cyrus West

(Encyclopedia)Field, Cyrus West, 1819–92, American merchant, promoter of the first Atlantic cable, b. Stockbridge, Mass.; brother of David Dudley Field and Stephen J. Field. As head of a paper business, he accumu...

Field, David Dudley

(Encyclopedia)Field, David Dudley, 1805–94, American lawyer and law reformer, b. Haddam, Conn.; brother of Cyrus W. Field and Stephen J. Field. He was graduated from Williams (1825), studied law in Albany and New...

Field, Erastus Salisbury

(Encyclopedia)Field, Erastus Salisbury, 1805–1900, American painter, b. Leverett, Mass. Field's paintings, executed in a primitive manner, included biblical and classical themes and portraits. His famous Historic...

Field, Stephen Johnson

(Encyclopedia)Field, Stephen Johnson, 1816–99, American jurist, associate justice of the U.S. Supreme Court (1863–97), b. Haddam, Conn. After practicing law for several years in New York City with his brother D...

field, in algebra

(Encyclopedia)field, in algebra, set of elements (usually numbers) that may be combined under the operations of addition and multiplication so that it constitutes an additive group, the nonzero elements form a mult...

field, in physics

(Encyclopedia)field, in physics, region throughout which a force may be exerted; examples are the gravitational, electric, and magnetic fields that surround, respectively, masses, electric charges, and magnets. The...

field-effect transistor

(Encyclopedia)field-effect transistor: see transistor. ...

field-emission microscope

(Encyclopedia)field-emission microscope: see microscope. ...

field-ion microscope

(Encyclopedia)field-ion microscope: see microscope. ...

quantum field theory

(Encyclopedia)quantum field theory, study of the quantum mechanical interaction of elementary particles and fields. Quantum field theory applied to the understanding of electromagnetism is called quantum electrodyn...