Academy of Natural Sciences of Drexel University/Related Articles
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Ruth Patrick: (1907 - 2013) American botanist who pioneered environmental science and helped formulate the Clean Water Act of 1972 [e]- Patrick Center for Environmental Research: An environmental research institute founded in 1947 by Ruth Patrick at the Academy of Natural Sciences of Drexel University; the first group to study freshwater systems at all levels of the food chain and to treat biodiversity as a central indicator of water quality. [e]
