Clair Patterson was a geochemist who worked at CalTech from the 1940s through the 1990s. His work involved studying the age of rocks and the age of the Earth. His greatest discovery, however, was one that was totally by accident and ended up directly impacting the lives of every person on the planet. Learn more about the remarkable Clair Patterson and how he helped get the lead out on this episode of Everything Everywhere Daily.
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