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Ertl, Gerhard

(Encyclopedia) Ertl, GerhardErtl, Gerhardgĕrˈhärt ârˈtəl [key], 1936– German chemist, b. Stuttgart, grad. Univ. of Stuttgart (1961), Technical Univ., Munich (Ph.D 1965). After holding a number of…

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…

Adorno, Theodor Wiesengrund

(Encyclopedia) Adorno, Theodor WiesengrundAdorno, Theodor Wiesengrundtāədôrˌ vēˈzəngr&oobreve;nd ädôrˈnō [key], 1903–69, German philosopher, born as Theodor Adorno Wiesengrund. Forced into exile…

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…

Hershey, Alfred Day

(Encyclopedia) Hershey, Alfred Day, 1908–1997, American microbiologist, b. Owosso, Mich., Ph.D., Michigan State College (now Michigan State Univ.), 1934. Hershey was a professor at the Washington…

Marcuse, Herbert

(Encyclopedia) Marcuse, HerbertMarcuse, Herbertmärk&oomacr;ˈzə [key], 1898–1979, U.S. political philosopher, b. Berlin. He was educated at the Univ. of Freiburg and with Theodore Adorno and Max…

Lubitsch, Ernst

(Encyclopedia) Lubitsch, ErnstLubitsch, Ernstl&oomacr;ˈbĭch [key], 1892–1947, German-American film director, b. Berlin. He studied acting in his native city and in 1911 joined Max Reinhardt's…

Asch, Sholem

(Encyclopedia) Asch, Sholem or ShalomAsch, Sholem or Shalomshōˈləm ăsh, shäˈləm [key], 1880–1957, Jewish novelist and playwright, b. Poland. He first came to the United States in 1909, was…

phenomenology

(Encyclopedia) phenomenology, modern school of philosophy founded by Edmund Husserl. Its influence extended throughout Europe and was particularly important to the early development of existentialism…

Deneuve, Catherine

(Encyclopedia) Deneuve, Catherine, 1943–, French film actress, b. Paris as Catherine Fabienne Dorléac. The daughter of actors and sister of actress Françoise Dorléac (1942–67), the cool and beautiful…