Columbia Encyclopedia

Search results

500 results found

progressivism

(Encyclopedia)progressivism, in U.S. history, a broadly based reform movement that reached its height early in the 20th cent. In the decades following the Civil War rapid industrialization transformed the United St...

Downing, Sir George

(Encyclopedia)Downing, Sir George, 1623–84, English diplomat. A nephew of Gov. John Winthrop of Massachusetts, he was educated at Harvard. He returned (1646) to England, joined the parliamentarians, and was appoi...

Wickersham, George Woodward

(Encyclopedia)Wickersham, George Woodward, 1858–1936, American lawyer and government official, b. Pittsburgh. He began law practice in Philadelphia, and after moving (1882) to New York City, he became a prominent...

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...

Waxman, Henry Arnold

(Encyclopedia)Waxman, Henry Arnold, 1939–, U.S. congressman, b. Los Angeles, grad. Univ. of California, Los Angeles. (B.A., 1961; J.D., 1964). After serving (1969–74) in the California state assembly, he won (1...

sun, in astronomy

(Encyclopedia)CE5 Structure of the sun sun, intensely hot, self-luminous body of gases at the center of the solar system. Its gravitational attraction maintains the planets, comets, and other bodies of the sola...

Einstein, Albert

(Encyclopedia)Einstein, Albert īnˈstīn [key], 1879–1955, American theoretical physicist, known for the formulation of the relativity theory, b. Ulm, Germany. He is recognized as one of the greatest physicists ...

International Union of Pure and Applied Chemistry

(Encyclopedia)International Union of Pure and Applied Chemistry (IUPAC), an international organization est. 1919 to advance the chemical sciences and contribute to the application of chemistry to the service of hum...

perpetual-motion machine

(Encyclopedia)perpetual-motion machine, device that would be able to operate continuously and supply useful work, in violation of the laws of thermodynamics. A machine that would produce more energy in the form of ...

proton

(Encyclopedia)proton, elementary particle having a single positive electrical charge and constituting the nucleus of the ordinary hydrogen atom. The positive charge of the nucleus of any atom is due to its protons....