Theodor Schwann
Biologist
Physiologist who greatly contributed to the development cell theory. He also discovered peripheral nervous system cells, pepsin, and organic yeast.
He attended the Humboldt University of Berlin in 1834, and later attended the University of Bonn and the University of Würzburg.
He discovered cells in the sheaths of nerve fibers, which became known as Schwann cells.
His father was a goldsmith and a printer.
Albert Einstein was another scientist born in Germany.