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Leopold, Aldo

(Encyclopedia)Leopold, Aldo, 1886–1948, American ecologist, b. Burlington, Iowa. He was an advocate for a “land ethic,” in which humans see themselves as part of a natural community. After work in the U.S. Fo...

Oyono, Ferdinand Léopold

(Encyclopedia)Oyono, Ferdinand Léopold ōyōˈnō, ōˌyōnōˈ [key], 1929–2010, Cameroonian statesman and novelist writing in French. After studying in Africa and in Paris at the Law School and the National Sc...

Radetzky, Joseph, Graf Radetzky de Radetz

(Encyclopedia)Radetzky or Radetzki, Joseph, Graf Radetzky de Radetz yōˈzĕf rädĕtˈskē gräf rädĕtˈskē də räˈdĕts [key], 1766–1858, Austrian field marshal. In the war of 1848–49 against Sardinia (s...

Leopold I, Holy Roman emperor

(Encyclopedia)Leopold I, 1640–1705, Holy Roman emperor (1658–1705), king of Bohemia (1656–1705) and of Hungary (1655–1705), second son and successor of Ferdinand III. Upon his elder brother's death (1654), ...

Leopold III, king of the Belgians

(Encyclopedia)Leopold III, 1901–83, king of the Belgians (1934–51), son and successor of Albert I. In 1936, Leopold announced a fundamental change in foreign policy; Belgium abandoned its military alliance with...

Kaunitz, Wenzel Anton, Fürst von

(Encyclopedia)Kaunitz, Wenzel Anton, Fürst von vĕnˈtsəl änˈtôn fürst fən kouˈnĭts [key], 1711–94, Austrian statesman. He distinguished himself as a negotiator of the Treaty of Aix-la-Chapelle (1748) an...

Leopold III, margrave of Austria

(Encyclopedia)Leopold III or Saint Leopold, c.1073–1136, margrave of Austria (1095–1136). By his marriage (1106) with Agnes, widow of Duke Frederick I of Swabia (see Hohenstaufen), he became the stepfather of G...

Ružička, Leopold Stephen

(Encyclopedia)Ružička, Leopold Stephen or Lavoslav Stjepan 1887–1976, Swiss chemist, b. Croatia (then in Austria-Hungary), Dr.Ing. Technische Hochschule, Karlsruhe, Germany, 1910. Ružička was a researcher at ...

Senghor, Léopold Sédar

(Encyclopedia)Senghor, Léopold Sédar lāôpôldˈ sādärˈ säNgôrˈ [key], 1906–2001, African statesman and poet; president (1960–80) of the Republic of Senegal, b. Joal. The son of a prosperous landowner,...

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