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HandsOnCelibacy
Lv 4
When was the 4.5-billion-year age for earth first proposed?
I know it was after the first World War.
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- andyg77Lv 71 decade agoFavorite Answer
Clair Patterson in 1953 after much testing of uranium/lead at Argonne Lab In Illinois put the age at 4.55 billion years +/- 70 million. After 200 years of wrong answers this one was accepted and is still accepted today.
This is from Bill Bryson's book, "A Short History of Almost Everything"
PS Clair was a guy
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