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Clair Patterson, the Hero Who Got the Lead Out of Gasoline | OpenMind

Who discovered lead (Pb)? - proquestyamaha.web.fc2.com

Notable Deaths 2017: Herbert Needleman - The New York Times

10 Poisons And Their Horrifying Effects - Listverse

Today In Science History - August 1 - Lamarckism

Astrophysical Classics: Measuring the Age of the Earth | astrobites
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The Doctor Who Discovered Lead in Flint's Water on What Went Wrong and