Theodor Schwann contributed to the cell theory (jan 1, 1838 – sep 6, 1838)
Description:
The German biologist Theodor Schwann is considered a founder of the cell theory. He also discovered pepsin, the first digestive enzyme prepared from animal tissue, and experimented to disprove spontaneous generation.Added to timeline:
Date:
jan 1, 1838
sep 6, 1838
~ 8 months