Death of Ruth Patrick

November 26, 1907 - September 23, 2013
Pennsylvania | Age 105

Pioneering US ecologist dies at 105
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JOANN LOVIGLIO, The Associated Press

PHILADELPHIA (AP) — Ruth Patrick, a scientist whose research on freshwater ecosystems led to groundbreaking ways to measure pollution in rivers and streams, has died. She was 105.

Patrick, recipient of dozens of the top U.S. science awards including the National Medal of Science, died Monday at The Hill at a Pennsylvania retirement community, according to the Academy of Natural Sciences at Drexel University.

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