Johann Joachim Becher died in 1682-10.
Johann Joachim Becher was born on 1635-05-06.
Johann Joachim Spalding died in 1804.
Johann Joachim Kändler died in 1775.
Johann Joachim Lange died in 1744.
Johann Joachim Bellermann died in 1842.
Johann Joachim Schwabe died in 1810.
Johann Joachim Faber died in 1846.
Johann Joachim Eschenburg died in 1820.
Johann Joachim Christoph Bode died in 1793.
Johann Joachim Winckelmann died on June 8, 1768 at the age of 50.
Johann Joachim Quantz died on July 12, 1773 at the age of 76.
The phlogiston theory was first proposed by Johann Joachim Becher in 1667. This theory is now considered obsolete and was replaced by the oxygen theory.