Johann Joachim Becher
From Conservapedia
| Johann Joachim Becher | |
| Born | May 6, 1635 Speyer, Holy Roman Empire |
|---|---|
| Died | October 1682 London, England |
Johann Joachim Becher (May 6, 1835 - October 1682) was a German physician, best known for his phlogiston theory of combustion.
