Clair Patterson

American geochemist (1922–1995)

Clair Cameron Patterson (born Claire Cameron Patterson Jr.; June 2, 1922 – December 5, 1995) was an American geochemist. Born in Des Moines and raised in nearby Mitchellville, Iowa, he graduated from Grinnell College. He later received his Ph.D. from the University of Chicago and spent his entire professional career at the California Institute of Technology (Caltech).

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