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Ernest Rutherford and Frederick Soddy came up with the idea of isotopes.
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The Carbon-14 isotope gets discovered by Martin Kamen and Sam Ruben.
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Willard Libby created the first method of Carbon Dating at the University of Chicago.
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Willard Libby and J. Arnold created a newspaper to let the people know about Carbon Dating.
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They decided to test materials of known-age in the Mediteranean and the tests weren't correct.
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Instead of using solid carbon, they replaced it with gas.
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Hesse de Vries noticed that the Carbon-14 changes due to the temperature.
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Libby won a Noble Prize for his discovery.
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The dating age limit was changed to a more accurate date of 50,000 years
