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ethology

(Encyclopedia)ethology, study of animal behavior based on the systematic observation, recording, and analysis of how animals function, with special attention to physiological, ecological, and evolutionary aspects. ...

Bonhoeffer, Dietrich

(Encyclopedia)Bonhoeffer, Dietrich dēˈtrĭkh bônˈhöfər [key], 1906–45, German Protestant theologian. Bonhoeffer, influenced early by the thinking of the young Karl Barth, urged a conformation to the form of...

Lassalle, Ferdinand

(Encyclopedia)Lassalle, Ferdinand fĕrˈdēnänt läsälˈ [key], 1825–64, German socialist. The son of a Jewish merchant, he studied at the universities of Breslau and Berlin, where he became a philosophical Heg...

Křenek, Ernst

(Encyclopedia)Křenek, Ernst krĕˈnĕk, Czech kerzhĕˈnĕk [key], 1900–1991, Austrian-American composer, b. Vienna. to Czech parents. He studied in Vienna and Berlin, and in the early 1920s he composed chamber ...

geopolitics

(Encyclopedia)geopolitics, method of political analysis, popular in Central Europe during the first half of the 20th cent., that emphasized the role played by geography in international relations. Geopolitical theo...

Galton, Sir Francis

(Encyclopedia)Galton, Sir Francis gôlˈtən [key], 1822–1911, English scientist, founder of eugenics; cousin of Charles Darwin. He turned from exploration and meteorology (where he introduced the theory of the a...

Erzberger, Matthias

(Encyclopedia)Erzberger, Matthias mätēˈäs ĕrtsˈbĕrgər [key], 1875–1921, German public official. He was a leader of the left wing of the Catholic Center party in the Reichstag from 1903. Early in World War...

Cleland, Max

(Encyclopedia) Cleland, Max, 1942-2021, American politician, b. Atlanta, GA, as Joseph Maxwell Cleland, Stetson Univ. (B.A., 1964), Emory Univ. (M.A., 1968). Cleland enlisted in the Army in 1965 and served in Vie...

Bakunin, Mikhail

(Encyclopedia)Bakunin, Mikhail mēkhəyēlˈ bəko͞oˈnyĭn [key], 1814–76, Russian revolutionary and leading exponent of anarchism. He came from an aristocratic family but entered upon revolutionary activities ...

Royal Opera

(Encyclopedia)Royal Opera, one of the principal British opera companies, based at the Royal Opera House (which it shares with the Royal Ballet) in Covent Garden, London. Formed in 1946 as the Covent Garden Opera Co...