Full name : Jean-Étienne Guettard
Country: France
Occupation : Researcher
Birth year: 1715
Death Year : 1786 (71 years old)
Known as: French scientist (1715-1786)
Full name : Jean-Étienne Guettard
Country: France
Occupation : Researcher
Birth year: 1715
Death Year : 1786 (71 years old)
Known as: French scientist (1715-1786)
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