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Pierre Perrault (c. 1608, in Paris – 1680, in Paris) was a Receiver General of Finances for Paris and later a scientist who developed the concept of the hydrological cycle. He and Edme Mariotte were primarily responsible for making hydrology an experimental science.
Pierre Perrault was a French hydrologist whose investigation of the origin of springs was instrumental in establishing the science of hydrology on a quantitative basis. He showed conclusively that precipitation was more than adequate to sustain the flow of rivers; thus he refuted theories traceable.
- The Editors of Encyclopaedia Britannica
Pierre Perrault est un cinéaste, essayiste, écrivain, poète, dramaturge et animateur de radio. Né le 29 juin 1927 à Montréal et décédé le 23 juin 1999 dans la même ville, il est considéré comme l’un des pionniers du cinéma direct .
Pierre Perrault OQ (29 June 1927 – 23 June 1999) was a Canadian documentary film director with the National Film Board of Canada. Over his 40-year career, he directed 32 films and was one of Canada's most important filmmakers, although he is largely unknown outside of Québec.
French hydrologist whose De l'origine des fontaines (1674) is one of the foundational works in experimental hydrology. Perrault demonstrated rainfall is sufficient to maintain the flow of rivers. He determined the drainage area for a portion of the Seine River and calculated the total precipitation.
Pierre Perrault, the founder of scientific hydrology, was the second of five sons, nearly all of whom were destined for illustrious careers. Two are still famous today: Claude (1613–1688) for his plans of the Louvre facade and the building of the Paris Observatory and, above all, Charles (1628–1703) for his Fairy Tales .
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One of six illustrious Brothers, all characterized by brilliance and diversity, he was educated as a lawyer but turned to finance and rose to a high position under King Louis XIV. Owing to political naivete and financial imprudence, he fell into disgrace and went bankrupt.
