In the late 1940s, University of Chicago chemist Willard Libby proposed calculating an object's age from its carbon-14 content or the carbon-14 content of surrounding material.
Sources
- How Radiocarbon Dating Unlocks Ancient History | HISTORY (history.com)
- https://news.uchicago.edu/explainer/what-is-carbon-14-dating (news.uchicago.edu)
- https://www.acs.org/education/whatischemistry/landmarks/radiocarbon-dating.html (acs.org)
- https://ethw.org/Libby_Develops_Radiocarbon_Dating (ethw.org)
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