Johann Joachim Becher

Johann Becher
Born6 May 1635
DiedOctober 1682 (1682-11) (aged 47)
Known forPhlogiston theory
Scientific career
FieldsChemistry, alchemy

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.