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Charles Keeling Biography Born Charles David Keeling, April 20, , in Scranton, PA; died of a heart attack, June 20, , at his summer home, in Hamilton, MT. Climate scientist.
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Charles David Keeling, American Oceanography educator.
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Keeling, Charles David, –, U.S. geochemist, b.
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Charles Keeling is one of the most popular and richest Environmentalist who was born on April 20, in Pennsylvania, United States.