German physician, chemist, alchemist, and a pioneer in modern chemistry. Born on May 6, 1635, Johann Joachim Becher's main contribution was the concept of chemical elements and the development of alchemy.
German physician, chemist, alchemist, and a pioneer in modern chemistry. Born on May 6, 1635, Johann Joachim Becher's main contribution was the concept of chemical elements and the development of alchemy.