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Haussmann, Georges Eugène, Baron

(Encyclopedia)Haussmann, Georges Eugène, Baron zhôrzh özhĕnˈ bärôNˈ ōsmänˈ [key], 1809–91, French civic official and city planner. Distinguished for his bold alterations in the layout of Paris under Na...

catastrophism

(Encyclopedia)catastrophism kətăsˈtrəfĭzəm [key], in geology, the doctrine that at intervals in the earth's history all living things have been destroyed by cataclysms (e.g., floods or earthquakes) and replac...

Welsbach, Carl Auer, Baron von

(Encyclopedia)Welsbach, Carl Auer, Baron von kärl ouˈər bärōnˈ fən vĕlsˈbäkh [key], 1858–1929, Austrian chemist. He discovered the rare earth elements neodymium and praseodymium (1885) and lutetium (c.1...

Dagobert I

(Encyclopedia)Dagobert I dăgˈōbûrt [key], c.612–c.639, Frankish king, son and successor of King Clotaire II. His father was forced to appoint Dagobert king of the East Frankish kingdom of Austrasia at the req...

paleontology

(Encyclopedia)paleontology pāˌlēəntŏlˈəjē [key] [Gr.,= study of early beings], science of the life of past geologic periods based on fossil remains. Knowledge of the existence of fossils dates back at least...

Pepin of Landen

(Encyclopedia)Pepin of Landen (Pepin I), d. 639?, mayor of the palace of the Frankish kingdom of Austrasia. With Arnulf, bishop of Metz, he called in King Clotaire II of Neustria to overthrow (613) Queen Brunhilda ...

Clotaire II

(Encyclopedia)Clotaire II, d. 629, Frankish king, son of Chilperic I and Fredegunde. He succeeded (584) his father as king of Neustria, but his mother ruled for him until her death (597). In 613, after the death of...

Geoffroy Saint-Hilaire, Étienne

(Encyclopedia)Geoffroy Saint-Hilaire, Étienne ātyĕnˈ zhôfrwäˈ săNtēlĕrˈ [key], 1772–1844, French zoologist. He was professor at the Museum of Natural History (1793–1840) and also at the Faculty of Sc...

Brongniart, Alexandre

(Encyclopedia)Brongniart, Alexandre brôNyärˈ [key], 1770–1847, French geologist, mineralogist, and chemist. As director of the Sèvres porcelain factory from 1800, he was responsible for its international fam...
 

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