Johann Joachim Becher (German: [ˈbɛçɐ]; 6 May 1635 – October 1682) was a German physician, alchemist, precursor of chemistry, scholar, polymath and adventurer, best known for his terra pinguis theory which became the phlogiston theory of combustion, and his advancement of Austrian cameralism. == Early life and education == Becher was born in Speyer during the Thirty Years War.
Johann Joachim Becher (German: [ˈbɛçɐ]; 6 May 1635 – October 1682) was a German physician, alchemist, precursor of chemistry, scholar, polymath and adventurer, best known for his terra pinguis theory which became the phlogiston theory of combustion, and his advancement of Austrian cameralism. == Early life and education == Becher was born in Speyer during the Thirty Years War.
Source: Wikipedia "Johann Joachim Becher" · CC BY-SA 4.0
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