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In 1941 Libby received a Guggenheim fellowship to work at , Los Angeles, and director of its Institute of Geophysics and Planetary Physics (from 1962) until his death.

He was the recipient of numerous honours, awards, and honourary degrees.

He is, since 1963, Director of the Douglas Aircraft Company, and Member of the National Science Foundation's General Commission on Science, the Federal Government and the Academic Institution.

Libby is a Physical Chemist, and specialist in radiochemistry, particularly hot atom chemistry, tracer techniques, and isotope tracer work.

Westgren, Chairman of the Nobel Committee for Chemistry of the Royal Swedish Academy of Sciences Your Majesty, Your Royal Highnesses, Ladies and Gentlemen.

In 1946, Willard Libby proposed an innovative method for dating organic materials by measuring their content of carbon-14, a newly discovered radioactive isotope of carbon.In about one million million of these carbon atoms, there is only one which has an atomic weight of 14.But nevertheless, this ratio can be determined, for carbon-14 is a radioactive isotope and manifests itself by its radiation.Korff predicted that the reaction between these neutrons and nitrogen-14, which predominates in the atmosphere, would produce carbon-14, also called radiocarbon.Libby cleverly realized that carbon-14 in the atmosphere would find its way into living matter, which would thus be tagged with the radioactive isotope.




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