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Ehrenfest, Paul

(Encyclopedia)Ehrenfest, Paul poul āˈrənfĕst [key], 1880–1933, Austrian physicist. In 1904, Ehrenfest received his doctorate in theoretical physics in Vienna and married the Russian mathematician Tatyana Alex...

determinism

(Encyclopedia)determinism, philosophical thesis that every event is the inevitable result of antecedent causes. Applied to ethics and psychology, determinism usually involves a denial of free will, although many ph...

Constitutional Union party

(Encyclopedia)Constitutional Union party, in U.S. history, formed when the conflict between North and South broke down the older parties. The Constitutional Union group, composed of former Whigs and remnants of the...

Chu Hsi

(Encyclopedia)Chu Hsi jo͞o shē [key], 1130–1200, Chinese philosopher of Neo-Confucianism. While borrowing heavily from Buddhism, his new metaphysics reinvigorated Confucianism. According to Chu Hsi, the normati...

Ajivika

(Encyclopedia)Ajivika äjēˈvĭkə [key], religious sect of medieval India, once of major importance. The Ajivikas were an ascetic, atheistic, anti-Brahmanical community whose pessimistic doctrines are related to ...

Ferguson, Adam

(Encyclopedia)Ferguson, Adam fûrˈgəsən [key], 1723–1816, Scottish philosopher and historian. He was professor of philosophy at the Univ. of Edinburgh (1759–85). His Essay on the History of Civil Society (17...

Huygens, Christiaan

(Encyclopedia)Huygens, Christiaan krĭsˈtyän hoiˈgəns [key], 1629–95, Dutch mathematician and physicist; son of Constantijn Huygens. He improved telescopic lenses and discovered (1655) a satellite of Saturn a...

Hägerstrom, Axel

(Encyclopedia)Hägerstrom, Axel äkˈsəl hägˈərstrôm [key], 1868–1939, Swedish philosopher. He was a student (1886–93) at Uppsala Univ. and taught there from 1893 until his retirement in 1933. The son of a...

McKenna, Joseph

(Encyclopedia)McKenna, Joseph, 1843–1926, American jurist, associate justice of the U.S. Supreme Court (1898–1925), b. Philadelphia. Admitted to the bar in 1865, he practiced law in California and served in the...

mah jongg

(Encyclopedia)mah jongg mä jông [key], four-handed game, probably of Chinese origin, popular in the United States. It is played in many variations throughout China. In 1920, Joseph P. Babcock, an American travele...