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Le Bon, Gustave

(Encyclopedia)Le Bon, Gustave güstävˈ lə bôN [key], 1841–1931, French psychologist and sociologist. He was the author of a number of works on social psychology, in which he expounded theories of national tra...

Ogden, river, United States

(Encyclopedia)Ogden, river, 35 mi (56 km) long, rising in the Wasatch Range in N Utah, and flowing SW to join the Weber River at Ogden. The river has been used for irrigation for nearly a century. The Ogden–Brigh...

Dąbrowska, Marja

(Encyclopedia)Dąbrowska, Marja märˈyä dôNbrôfˈskä [key], 1889–1965, Polish sociologist and novelist. Dąbrowska worked as a militant publicist to further social and economic reform. Her works of fiction, ...

Ertl, Gerhard

(Encyclopedia)Ertl, Gerhard gĕrˈhärt ârˈtəl [key], 1936– German chemist, b. Stuttgart, grad. Univ. of Stuttgart (1961), Technical Univ., Munich (Ph.D 1965). After holding a number of lecturer and research p...

Trojan asteroids

(Encyclopedia)Trojan asteroids, asteroids that revolve about the sun in the same orbit as a planet, occupying stable positions (known as Lagrangian points) either about 60° ahead of the planet in the orbit or abou...

X-ray crystallography

(Encyclopedia)X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is scattered in a defini...

Adorno, Theodor Wiesengrund

(Encyclopedia)Adorno, Theodor Wiesengrund tāədôrˌ vēˈzəngro͝ond ädôrˈnō [key], 1903–69, German philosopher, born as Theodor Adorno Wiesengrund. Forced into exile by the Nazis (1933), he spent 16 years...

Lynd, Robert Staughton

(Encyclopedia)Lynd, Robert Staughton, 1892–1970, American sociologist, b. New Albany, Ind.; grad. Princeton (B.A., 1914), Ph.D. Columbia, 1931. He taught at Columbia for 30 years (1931–61). With his wife, Helen...

Gumplowicz, Ludwig

(Encyclopedia)Gumplowicz, Ludwig lo͞otˈvĭkh go͝omˈplōvĭch [key], 1838–1909, Austrian sociologist, political scientist, and jurist. From 1897 to 1909 he was a professor at Graz. He held that social developm...

functionalism, in anthropology and sociology

(Encyclopedia)functionalism, in anthropology and sociology, a theory stressing the importance of interdependence among all behavior patterns and institutions within a social system to its long-term survival. It was...